Publications
Title | Abstract | Year Filter | PMID(sorted ascending) Filter |
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comparative hematology-studies on hedgehogs (erinaceus europaeus). | 1976 | 2427 | |
spontaneous activity in smooth muscle of the portal vein of the hedgehog erinaceus europaeus, l. | 1975 | 3365 | |
changes in the testicular metabolism of dehydroepiandrosterone during the annual reproductive cycle of the hedgehog (erinaceus europaeus l). | 1976 | 8358 | |
seasonal variations in the turnover of noradrenaline of active and hibernating hedgehogs (erinaceus europaeus). | 1977 | 17508 | |
variation in c-stained chromosome regions in european hedgehogs (insectivora, mammalia). | 1978 | 81195 | |
[seasonal variations in the blood testosterone and thyroxine levels in the hedgehob (erinaceus europaceus l)]. | in adult male european hedgehogs, which were studied outdoors, the plasma levels of both testosterone and thyroxine exhibited a marked annual cycle with a minimum in autumn and a maximum during spring and summer. the winter resumption of the testicular activity started already during the phase of hibernation and was concomitant with an increase of the plasma thyroxine level. the plasma titers of the two hormones dropped down together in august. the correlation between both hormones was less clos ... | 1999 | 97012 |
[folliculo-stellate cells of the anterior hypophyses of the hedgehog (erinaceus europaeus l.)]. | the anterior lobe of the hedgehog pituitary possess folliculo-stellate cells. these agranular (or few granular) cells, connected together by juctional complexes in relation with mitochondria, limit small cavities; at the luminar surfaces, microvillosities projecting in the lumen are seen. the lumina of cavities contain, or not, an electron dense substance, but not remnants of glandular cells. long slender cytoplasmic processes, extended between adjacent granular cells, takes contact with the bas ... | 2001 | 129277 |
[trichophyton mentagrophytes var. erinacei infection contracted from a hedgehog]. | occasionally the hedgehog (erinaceus europaeus) is infected by trichophyton mentagrophytes (robin) blanchard var. erinacei. this zoophilic dermatophyte may cause a difficult human phlegmatic trichophytia infection. the thread-fungus grows on the usual culture-medium with a clear-white surface without radius-folding. the lower surface of the culture shows a typical brillant-yellow colour. microscopically the fungus presents abundant microconidia formation and a few distinct macroconidia. cross-br ... | 1979 | 155666 |
vacuolated pinealocytes in the hedgehog (erinaceus europaeus l.) and the mole (talpa europaea l.). | special cells in the hedgehog and mole pineal gland which are characterized by an enormous single vacuole were studied. the presence of secretory granules (in the hedgehog) and of paracrystalline structures (in the mole) in the cytoplasm of these cells indicates that they are pinealocytes. | 1975 | 167972 |
[ultrastructure of the thymus of the hedgehog (erinaceus europaeus) during wakefulness, hibernation and various phases of reawakening]. | 1979 | 398683 | |
ultrastructure of sensory corpuscles in the snout skin of the hedgehog (erinaceus europaeus). | 1979 | 437589 | |
seasonal changes in membrane lipid transitions and thyroid function in the hedgehog. | upper (tf) and lower (ts) temperature limits of order-disorder transitions in blood cell lipids of hedgehogs, erinaceus europaeus, were determined over an annual cycle. there was a significant decrease in the temperature of both tf and ts from values of 19 and 6 degrees c, respectively, for summer animals to values of 14 and -2.0 degrees c for winter animals. plasma thyroxine levels decreased from a summer mean of 16.0 nmol/liter to a mean of 2.3 nmol/liter in winter. basal oxygen consumption al ... | 1979 | 443413 |
the ultrastructure of sensory corpuscles in the skin in the hedgehog snout. | the ultrastructure of sensory nerve endings was examined in the snout skin in 3 adult hedgehogs (erinaceus europaeus). the material was taken intravitally under total anaesthesia and processed in a usual way for the electron microscopy. the corpuscles were evaluated in the individual sections and series sections made through the whole corpuscle. in the superficial layers of the dermis simple sensory corpuscles and free endings were found. the simple sensory corpuscles can be divided into three t ... | 1979 | 524985 |
localization of nucleolar organizing regions in european hedgehogs (insectivora, mammalia). | 1979 | 536227 | |
winter weight and water intake fluctuations of hedgehogs (erinaceus europaeus) under laboratory conditions. | 1978 | 642445 | |
[the facial muscles of insectivora. i. erinaceus europaeus and talpa europaea]. | this investigation includes the area of n. facialis in erinaceus europaeus and talpa europaea. it is indicated that the topography of muscles diverges considerably from the equally conditions in rodentia, carnivora, and ungulata. the dorsal length musculature thus is an almost undivided mass of muscles in the 2 investigated species as also the laterally and ventrally situated musculature at certain points diverges from the conditions within other above mentioned animal groups. | 1978 | 689348 |
[facial muscles of insectivora. ii. pachyura indica and sorex araneus]. | the investigation includes the area of facialis in erinaceus europaeus, talpa europaea, pachyura indica and sorex araneus. it is indicated that the topography of muscles diverges considerably from the equal conditions in rodentia, carnivoar and ungulata . the dorsal length musculature thus is almost an undivided mass of muscles by the 4 species investigated as also the laterally and ventrally situated musculature at certain points diverges from the conditions within other above mentioned animal ... | 1978 | 744461 |
amino acid sequences of the alpha and beta chains of adult hemoglobin of the european hedgehog, erinaceus europaeus. | globin prepared from hemoglobin of the european hedgehog (erinaceus europaeus) was separated into alpha and beta polypeptide chains by chromatography on a cm 52 column. the s-aminoethylated alpha and beta chains were each digested with trypsin and the resulting peptides were isolated. the sequences of all the tryptic peptides were established. the ordering of these peptides in the alpha and beta chains was deduced from their homology with the primary structures of alpha and beta chains of human ... | 1979 | 762046 |
leptospiral antibodies in wild living animals from north tyrol. | the authors examined serologically 623 wild living animals (22 species) from north tyrol for the incidence of leptospirosis. positive reactions (mal) in the titre 1: 100 and more were found in 4.5% of the animals examined; the serotypes concerned were these: icterohaemorrhagiae, sorex-jalna, castellonis or arboreae, grippotyphosa, bratislava, pomona, sejroe, saxkoebing. positive reactions were obtained with the sera of sorex araneus, erinaceus europaeus, putorius putorius, vulpes vulpes, cervus ... | 1976 | 780229 |
[the effect of exogenous catecholamines on the cardiac rhythm and thermoregulation of hibernating hedgehogs (erinaceus europaeus l.)]. | no disturbance was seen either in cardiac rhythm or in temperature of hibernating hedgehog (erinaceus europaeus l.) after an isotonic saline injection, with the help of a permanent aortic indwelling catheter. partial or complete arousal was quickly obtained after increasing doses of norepinephrine (ne), while dihydroxyphenylalanine (l-dopa), its natural precursor, induced the same effects more slowly. to differentiate the peripheral and central effects of l-dopa, we used a pretreatment of ro 4-4 ... | 1975 | 808298 |
a comparative survey of the mast cells of the mammalian brain. | a search for mast cells has been made in the brains of 18 mammalian species in 13 families in the orders insectivora, primates, rodentia and carnivora. in the larger animals, only the diencephalon and olfactory bulbs were examined. mast cells were identified by virtue of their heparin-containing granules, which are stained by alcian blue 8gx and, metachromatically, by toluidine blue 0. within the cerebral parenchyma, mast cells were confined to the dorsal diencephalon of erinaceus europaeus (hed ... | 1976 | 819404 |
mycobacterium avium infection in freeliving hedgehogs (erinaceus europaeus l). | mesenteric lymph nodes were examined from five hedgehogs captured on the berkshire downs. the single culture obtained was identified as mycobacterium avium type 2. | 1977 | 877438 |
[heterosensory interaction in neocortical neurons of the hedgehog, erinaceus europaeus]. | reactions of neurons in different areas have been investigated in the hedgehog cortex by means of the microelectrode technique. a wide dispersion of afferent inputs was shown over the whole neocortex, alongside with the existence of definite projection foci of appropriate modalities. in the specific projection zones the conditioning heterosensory stimulation did not influence the onset of the response of the testing specific stimulus. blocking of responses was observed in the so-called "associat ... | 2006 | 899402 |
the distribution of the hedgehog (erinaceus europaeus l.) in finland in 1975. | the distribution of the hedgehog (erinaceus europaeus l.) in finland was surveyed in the light of an inquiry. the range presented is based on more than one thousand answers to a questionnaire. the extension further northward of this species during the past ten years was confirmed. the distributional areas of the hedgehog in finland in 1952, 1965 and 1975 are presented in a cartogram. in southern finland the number of the hedgehog has clearly decreased during the past ten years (1965-1975). some ... | 1977 | 900582 |
[ultrastructure of the thymus gland of the hedgehog (erinaceus europaeus) during wakefulness, hibernation and various phases of re-awakening]. | 1976 | 1027465 | |
[new faunal and biological observations on ticks in abruzzo]. | ticks collected during the years 1975-76 in abruzzo (prov. l'aquila and chieti) italy are reported. the following species have been identified: ixodes canisuga, ixodes frontalis, ixodes hexagonus, ixodes ricinus, dermacentor marginatus, haemaphysalis sulcata, rhipicephalus bursa, rhipicephalus sanguineus, hyalomma marginatum. new hosts are: felis catus for ixodes canisuga; scolopax rusticola, motacilla flava, corvus cornix for ixodes frontalis; sciurus vulgaris for haemaphysalis punctata; garrul ... | 1976 | 1032325 |
comparative studies on the temperature dependence of lactic and malic dehydrogenase from a homeotherm, guinea pig (cavia porcellus); two hibernators, hedgehog (erinaceus europaeus) and bat (nyctalus noctula); and two poikilotherms, frog (rana temporaria) and cod (gadus callarias). | 1975 | 1079762 | |
the primary structure of the myoglobin of the insectivore erinaceus europaeus (common european hedgehog). | 1975 | 1167790 | |
[studies on projections of somatic afferentation in the neocortex of the hedgehog erinaceus europaeus]. | cortical projections of the somatic system in the hedgehog cortex were studied by means of the evoked potential (ep) technique. the eps were shown to arise at a large area of the lateral cortex, the area in question being enlarged under chloralose anaesthesia. in the focus of projection of corresponding modalities the eps posessed the least latency. functional differences in the ep generation system both in the focus of projection and outside it are discussed. the wide eps spreading in the later ... | 2013 | 1217301 |
[musculus cutaneus of hedgehog (erinaceus europaeus) during hibernation and arousal. a light and electron microscopy study]. | 2006 | 1232964 | |
[comparative macro- and microscopic anatomy of the nasal cavity of european insectivores]. | the topography of the nasal fossa and its epithelium were studied in 4 european insectivores, sorex araneus l., crocidura russula (hermann), talpa europaea l. and erinaceus europaeus l. the following results were obtained: 1. the length of the nasal capsules is in relation to the length of the head in all 4 species the same. 2. the noses of all forms studies, except e. europaeus are very similar because of the trunk-shaped pars anterior nasi. 3. the numbers of turbinals are constant. 4. of all t ... | 1975 | 1241682 |
testing the role of intraguild predation in regulating hedgehog populations. | potential competitors that eat each other can engender patterns of spatial segregation similar to those produced by competition, and distinguishable only by field manipulation. this paper reports the results of a perturbation experiment to test the factors responsible for small-scale discontinuities in the distribution of a common insectivore. populations of hedgehogs (erinaceus europaeus) were monitored following their introductions into an area where they had been absent, and into a neighbouri ... | 1992 | 1359546 |
claustrum in the hedgehog (erinaceus europaeus) brain: cytoarchitecture and connections with cortical and subcortical structures. | the cytoarchitecture of the claustrum in the hedgehog (erinaceus europaeus) brain, the morphology of its neurons, and the efferent connections with cortical and subcortical structures were studied with the nissl and klüver-barrera, the golgi, and the horseradish peroxidase methods. it was found that the claustrum is a well developed nucleus in the hedgehog telencephalon and, as in other mammals, is divided into dorsal and ventral parts. in golgi-stained sections, spiny multipolar cells are the p ... | 1992 | 1374084 |
parvalbumin and calbindin immunoreactivity in the cerebral cortex of the hedgehog (erinaceus europaeus). | to investigate the morphology and distribution of nonpyramidal neurons in the brain of insectivores, parvalbumin and calbindin 28 kda immunoreactivity was examined in the cerebral cortex of the hedgehog (erinaceus europaeus). parvalbumin-immunoreactive cells were found in all layers of the isocortex, but in contrast to other mammals, a laminar organisation or specific regional distribution was not seen. characteristic parvalbumin-immunoreactive neurons were multipolar cells with large ascending ... | 1992 | 1452472 |
vasoactive intestinal polypeptidergic innervation and gastroenteropancreatic system: an immunocytochemical study in the hedgehog erinaceus europaeus. | the pattern of the digestive vasoactive intestinal polypeptide (vip)-ergic innervation is described immunohistochemically in the hedgehog erinaceus europaeus. this animal is a small-sized, wild, nocturnal, lower eutherian mammal whose gastrointestinal tract shows some similarities with the avian gut. the myenteric plexus of the stomach, the mucosa of the small intestine and the circular muscle layer of the large intestine are the best vip-innervated structures. the pattern of the positive innerv ... | 1992 | 1585793 |
relation of the insular claustrum to the neocortex in insectivora. | the claustra of 9 species of insectivora (sorex araneus, sorex minutus, tenrec ecaudatus, solenodon paradoxus, neomys fodiens, erinaceus europaeus, talpa europaea, desmana moschata, potamogale velox) were investigated. in all examined animals we found two parts of the insular claustrum: the main part called by us the pars principalis and more medially situated lamina profunda claustri. in the "basal" insectivora the main part is in close contact with the layer via of the neocortex. in some more ... | 1990 | 1707077 |
neuroglial arrangements in the olfactory glomeruli of the hedgehog. | the olfactory glomeruli represent morphological and functional units in which olfactory information is processed in specialized synaptic arrangements established between the central processes of sensory neurons, whose cell bodies are located in the olfactory epithelium, and the terminal (intraglomerular) portions of the dendrites of periglomerular, tufted, and mitral cells. the olfactory glomeruli are surrounded by distinctive glial formations in which the peripheral glia interacts with the cent ... | 1991 | 1714466 |
pineal melatonin concentrations during day and night in the adult hedgehog: effect of a light pulse at night and superior cervical ganglionectomy. | the european hedgehog (erinaceus europaeus l.) is a hibernating mammal and seasonal breeder in which numerous circadian and circannual rhythms are entrained and synchronized by photoperiod. the present study was undertaken in order to establish the involvement of the pineal gland in transducing the photoperiodic message in this species. pineal melatonin concentrations were determined by radioimmunoassay in female hedgehogs kept under natural climatic conditions and killed during the light:dark ( ... | 1991 | 1757890 |
natural anti-snake venom proteins. | the resistance of several animals to snake venom has been reviewed. some general concepts are introduced to allow the comparative evaluation of the resistance of different animals studied by different investigators. the purification and properties of several factors isolated from the serum of different animals by some researchers are described: trimeresurus flavoviridis (omori-satoh et al., 1972); vipera palaestinae (ovadia et al., 1975, 1977); sigmodon hispidus (pichyangkul and perez, 1981); di ... | 1991 | 1801313 |
[scabies among the zoo mammals]. | scabies was observed in 9 species of mammals at the zoological garden of lódź in years 1957-1989. sarcoptes scabiei spp. was found in capybaras, tapirs and camelids. notoedres cati was recorded from the siberian tiger, but notoedres sp. from the erinaceus europaeus. scabies was also found in a wild dead tapla europaea at the zoo area. | 1991 | 1823472 |
lung and hearth nematodes in some spanish mammals. | thirteen host species belonging to the orders rodentia, insectivora and carnivora from various localities in galicia (nw spain) were examined for heart and lung parasites. the following species were found: parastrongylus dujardini (5.5%) in apodemus sylvaticus, crenosoma striatum in erinaceus europaeus (83%), angiostrongylus vasorum, crenosoma vulpis and eucoleus aerophilus in vulpes vulpes (3, 3.46 and 0.50%, respectively), crenosoma taiga in putorius putorius (100%) and crenosoma sp. in meles ... | 1991 | 1844789 |
herpesvirus in the liver of a hedgehog (erinaceus europaeus). | 1990 | 1965239 | |
zoonoses and other findings in hedgehogs (erinaceus europaeus): a survey of mortality and review of the literature. | a survey of mortality in hedgehogs (erinaceus europaeus) was carried out between july 1976 and november 1986. most were from norfolk. of the 74 examined, 35 (47.3 per cent) were road casualties, one of which yielded salmonella typhimurium phage type (pt) 104. of the remaining 39, 13 (33.3 per cent) had salmonellosis due to s enteritidis pt 11. this organism, which appears to be common and widespread in hedgehogs in england was found in 10 separate incidents. the only other zoonosis was ringworm ... | 1991 | 2035215 |
demonstration of a phospholipase a2 inhibitor in human plasma and in plasma from the european hedgehog (erinaceus europaeus). | 1. endogenous phospholipase a2 (pla2) inhibitors in human plasma and in plasma from the hedgehog (erinaceus europaeus) were demonstrated. 2. the pla2 activity increased 45-fold in human plasma when a pla2 binding factor was removed. furthermore, two peaks of pla2 inhibitory activity were found after deae-chromatography. 3. high levels of pla2 inhibitory activity was found in plasma from the european hedgehog, e. europaeus. 4. the molecular weight was estimated to 140,000. 5. on deae-chromatograp ... | 1991 | 2044836 |
demonstration with [14c]2-deoxyglucose of brain structures involved in the masticatory activity of the hedgehog (erinaceus europaeus). | the different brain structures activated during mastication in the hedgehog were revealed using sokoloff's 2-deoxy-d-[1-14c]glucose technique. brain sections of animals having received an injection of 2-deoxy-d-[1-14c]glucose during mastication were compared with those of animals treated during calm waking. only brain structures that presented a 20% increase in glucose consumption were considered. the greatest increases were observed in the bulbar parvocellular reticulum and the trigeminal spina ... | 1990 | 2085742 |
structure of the olfactory bulb of the hedgehog (erinaceus europaeus): a golgi study of the intrinsic organization of the superficial layers. | the intrinsic organization of the mitral cell, external plexiform, and glomerular layers of the main olfactory bulb of the insectivore hedgehog were studied with the golgi method. this study completes our previous description of the cell types in the granule cell layer in the same subject (lópez-mascaraque et al., j. comp. neurol. 253:135-152, '86). in the present contribution the morphology of mitral, internal, and middle tufted cells is described with particular interest in the formation and a ... | 1990 | 2262591 |
effect of melatonin administration and long day-length on endocrine cycles in the hedgehog erinaceus europaeus. | the effects of exogenous melatonin (subcutaneous implants containing 0.031 +/- 0.006 mg/gm body mass melatonin) or long photoperiod (18l:6d) on wild-caught adult male hedgehogs were studied. hedgehogs were implanted with melatonin-filled or empty capsules in may, august, or september, or maintained under long photoperiod from august. blood samples collected at monthly intervals were assayed for testosterone, melatonin, and thyroxin. melatonin-filled capsules elevated plasma melatonin concentrati ... | 1990 | 2338615 |
effect of melatonin administration and long day-length on endocrine cycles in the hedgehog erinaceus europaeus. | the effects of exogenous melatonin (subcutaneous implants containing 0.031 +/- 0.006 mg/gm body mass melatonin) or long photoperiod (18l:6d) on wild-caught adult male hedgehogs were studied. hedgehogs were implanted with melatonin-filled or empty capsules in may, august, or september, or maintained under long photoperiod from august. blood samples collected at monthly intervals were assayed for testosterone, melatonin, and thyroxin. melatonin-filled capsules elevated plasma melatonin concentrati ... | 1990 | 2380905 |
cell types of the pars distalis of the hedgehog (erinaceus europaeus l.) adenohypophysis: cytological, immunocytochemical and ultrastructural studies. 3. opiocorticomelanotropic cells. | staining and histochemical methods, immunofluorescence and electron microscopy were used to individualize the opiocorticomelanotropic cells in the adenohypophysis of the non-hibernating hedgehog. one cell type was differentiated; its characteristics at the electron-microscopic level were presented. immunofluorescence has confirmed the functional significance of this cell type and the validity of the denomination 'opiocorticomelanotropic cells'. | 1985 | 2413702 |
entorhinal and prepiriform cortices of the european hedgehog. a histochemical and densitometric study based on a comparison between timm's sulphide silver method and the selenium method. | the timm and selenium staining techniques, based on silver amplification of endogenous zinc, produce an electron-dense precipitate in boutons. the staining characteristics of the two methods were compared by examining two allocortical regions, prepiriform cortex and entorhinal cortex, in the brain of the european hedgehog. in the 3 layers of prepiriform cortex and the 6 layers of entorhinal cortex the methods revealed sublayers, which allows a precise delimitation of areas 28m, 28l, a short tran ... | 1985 | 2415220 |
identification and characterization of trypsin, chymotrypsin and elastase inhibitors in the hedgehog, erinaceus europaeus, and their immunological relationships to those of other mammals (rat, pig and human). | hedgehog plasma was separated by gel filtration on sephacryl s-200, the fractions resolved by electrophoresis and the electrophoregrams characterized for trypsin, chymotrypsin and elastase inhibiting activities with both low and high molecular weight substrates. approximate molecular weights were also determined. at least ten protease inhibitors were characterized in hedgehog plasma including three macroglobulins. the hedgehog protease inhibitors were identified by immunoelectrophoresis. four pr ... | 1985 | 2417778 |
neocortical layers i and ii of the hedgehog (erinaceus europaeus). i. intrinsic organization. | the intrinsic organization and interlaminar connections in neocortical layers i and ii have been studied in adult hedgehogs (erinaceus europaeus) using the golgi method. layer i contains a dense plexus of horizontal fibers, the terminal dendritic bouquets of pyramidal cells of layer ii and of underlying layers, and varieties of intrinsic neurons. four main types of cells were found in layer i. small horizontal cells represent most probably persisting foetal horizontal cells described for other m ... | 1986 | 2421609 |
the annual cycle of erinaceus europaeus l. as a model for a further study of cytochemical heterogeneity in purkinje neuron nuclei. | the cytochemical heterogeneity of nuclei in purkinje cells, which reflects differences in metabolic states within the population, has been studied by comparing cerebellar hemispheres of the hedgehog during periods of activity and hibernation. cerebellar granule cells and hepatocytes served as controls for diploid cells. three different cytochemical stains (feulgen reaction, propidium iodide and hoechst 33342 fluorochromes) were used in order to evaluate by microdensitometry and microfluorometry ... | 1986 | 2422587 |
neocortical layers i and ii of the hedgehog (erinaceus europaeus). ii. thalamo-cortical connections. | this study examines the thalamo-cortical projections to the most superficial neocortical layers in the hedgehog (erinaceus europaeus) after small injections of horseradish peroxidase and horseradish peroxidase conjugated to wheat germ agglutinin in the somato-sensory cortex. the injections were limited to layers i, ii and upper parts of layer iii/iv. retrogradely labeled cells were plotted in serial sections through the thalamus. injections in the somato-sensory cortex gave a pattern of elongate ... | 1986 | 2435192 |
basal forebrain neurons project to the cortical mantle of the european hedgehog (erinaceus europaeus). | the basal forebrain projections to the cortical mantle of the hedgehog were traced using the wga-hrp method. the nuclei of the vertical and horizontal limbs of the diagonal band of broca, the nucleus basalis and the substantia innominata were found to project to the ipsilateral frontal, parietal and occipital cortices. these projections, apparently cholinergic, were not topographically organized. | 1988 | 2453001 |
immunohistochemical localization of some endocrine cells in the gastroenteropancreatic system of erinaceus europaeus. | the distribution of chromogranin a and neuron specific enolase (nse) in the neuroendocrine gut system and the morphology and distribution of cells containing gastrin, somatostatin, neurotensin and vip in the gastroenteropacreatic (gep) apparatus of erinaceus europaeus were investigated by immunohistochemical methods. chromogranin a and somatostatin immunoreactive cells were present throughout the gastrointestinal mucosa, with the exception of the oesophagus and in the pancreas. gastrin cells wer ... | 1988 | 2464991 |
structure of the nucleus olfactorius anterior of the hedgehog (erinaceus europaeus). | the cytoarchitecture, topography, and cellular structure of the nucleus olfactorius anterior (noa) in the hedgehog have been studied in nissl-stained and golgi preparations. the noa is an important receptive allocortical formation for olfactory fibers and the major source of association fibers relating the main olfactory bulb with the rest of the olfactory brain. it was divided into a bulbar part; four subdivisions named lateral, dorsal, medial, and ventral; an external part; and a posterior par ... | 1989 | 2465323 |
nucleus limitans thalami--comparative anatomical study. | cyto- and myeloarchitectonics as well as acetylcholinesterase activity of the nucleus limitans thalami--an important part of the nociceptive system--were studied in insectivora (sorex araneus, erinaceus europaeus, talpa europaeus), rat, rabbit, cat, monkey and man. our results suggest that nucleus limitans is phylogenetically a rather new structure. in insectivora and in the rat we could not find any evident group of neurons resembling nucleus limitans. in the rabbit and cat nucleus limitans is ... | 1989 | 2511740 |
vasoactive intestinal polypeptide-immunoreactive neurons in the main olfactory bulb of the hedgehog (erinaceus europaeus). | vasoactive intestinal polypeptide (vip) immunoreactivity was localized by the indirect antibody enzyme method (pap technique) in the main olfactory bulb of the hedgehog. most vip-immunoreactive cells were located in the glomerular layer and throughout the external plexiform layer. fewer cells were observed in the granule cell layer. at the morphological level they exhibit the characteristics of periglomerular, external tufted, superficial short axon, horizontal and van gehuchten cells. it should ... | 1989 | 2710395 |
ontogeny of relationship of middle ear and temporomandibular (squamomandibular) joint in mammals. ii. morphology and ontogeny in insectivores. | the ontogeny of the mandibular joint and the middle ear region was studied in erinaceus europaeus, sorex araneus, talpa europaea and elephantulus rozeti. during development, a passage connection was found between the mandibular condyle and meckel's cartilage that is produced by the primordium of the lateral pterygoid muscle. the articular disk is formed apart and it appears later in development. | 1989 | 2718717 |
serological investigations of the hedgehog (erinaceus europaeus) in styria. 2. report. | from 1975 to 1982 investigations of 64 hedgehogs for anthropozoonoses and infectious diseases were carried out in all regions of styria, austria. the serological investigations revealed positive results against rickettsiosis, (q-fever and rmsf-groups antigen), (ornithosis, toxoplasmosis, listeriosis, against adenoviruses and herpesvirus). other studies by nosek et al. (1967); troger et al. (1976); kaaserer et al. (1976) and stunzner et al. (1976) report on the hedgehog (erinaceus europaeus) as i ... | 1989 | 2744467 |
neuropeptide y-like immunoreactive neurons in the hedgehog (erinaceus europaeus) and the sheep (ovis aries) brain. | the peroxidase-antiperoxidase immunohistochemical method has been used in order to investigate the distribution of neurons immunoreactive with antiserum against neuropeptide y in the hedgehog and the sheep brain. neuropeptide y-immunoreactive bipolar and multipolar neurons, with a diameter ranging from 10-30 microns, were found in the following regions: cerebral cortex, striatum, ammon's horn, gyrus dentatus, amygdala, anterior olfactory nucleus, nucleus accumbens, area along the medial forebrai ... | 1989 | 2745971 |
daily and seasonal variations in plasma lh and testosterone concentrations in the adult male hedgehog (erinaceus europaeus). | a double-antibody heterologous radioimmunoassay (ria) was developed to measure plasma lh values in hedgehogs. this ria system used anti-rat lh serum and rabbit lh (afp-559b) for radioiodination and as standard. the accuracy of the method was evaluated and indicated the ability to detect various relative concentrations of lh in plasma. the minimum detectable dose was 0.2 ng/ml. the intra- and inter-assay coefficients of variation were 4.2 and 7.9% respectively. biological tests, e.g. effect of ca ... | 1989 | 2754635 |
circannual changes in blood coagulation factors and the effect of warfarin on the hedgehog erinaceus europaeus. | levels of blood coagulation factors were measured monthly in hedgehogs kept at 20 degrees c under a natural-light schedule for 1 yr using prothrombin time and the p & p method. hedgehogs display a circannual cycle of blood coagulation factors in the absence of temperature cues, with high levels corresponding to the active period and low levels corresponding to the hibernation period. ten hedgehogs and ten guinea pigs were treated with clinical doses of warfarin and blood coagulation factors meas ... | 1985 | 2858289 |
effects of hibernation on somatostatin-like immunoreactivity in the brain of the ground squirrel (spermophilus richardsonii) and european hedgehog (erinaceus europaeus). | the localization of the somatostatin system in the brains of richardson's ground squirrels (spermophilus richardsonii) and european hedgehogs (erinaceus europaeus) was described by use of immunocytochemical methods. in addition, (i) chemically differing types of somatostatin and (ii) different activity phases of the somatostatin system during the hibernation cycle were investigated in the ground squirrel by means of high pressure liquid chromatography (hplc) and radioimmunoassay (ria). in both s ... | 1986 | 2868793 |
somatostatinlike immunoreactive neurons in the hedgehog (erinaceus europaeus) and the sheep (ovis aries) central nervous system. | the morphology and distribution of somatostatinlike immunoreactive perikarya in the central nervous system of the hedgehog and sheep have been studied by means of the peroxidase-antiperoxidase immunohistochemical method. intracerebroventricular colchicine infusion not only enhanced the immunostaining but also revealed new immunoreactive cell bodies. in both hedgehog and sheep immunoreactive neurons of various forms, ranging from 12 to 28 microns in diameter, were observed in a number of homologo ... | 1986 | 2869070 |
further studies of plasma protease inhibitors in the hedgehog, erinaceus europaeus; collagenase, papain and plasmin inhibitors. | hedgehog plasma was separated by gel filtration on sephacryl s-200, the fractions resolved by electrophoresis and the electrophoretograms characterized for collagenase, papain and plasmin inhibiting activities with the high mol. wt substrate casein. the three inhibitors previously identified as alpha 2-, alpha 2-beta- and beta-macroglobulins were found to inhibit all three proteases. these were the only collagenase inhibitors found in plasma. hedgehog alpha 2-chymotrypsin inhibitor and beta-prot ... | 1987 | 2881640 |
connections of the olfactory bulb and nucleus olfactorius anterior in the hedgehog (erinaceus europaeus): fluorescent tracers and hrp study. | the projections of the main olfactory bulbs (mobs) and the dorsal part of the anterior olfactory nucleus (noa) in the hedgehog (erinaceus europaeus) have been studied by fluorescent tracers and the horseradish peroxidase method (hrp), respectively, to reveal the pattern of labeling from these structures. after different dye injections in both mobs, labeled cells were present in the following structures: tenia tecta, vertical limb of the diagonal band of broca, and medial septal nucleus in the ip ... | 1989 | 2918089 |
occurrence of the lungworms capillaria and crenosoma spp. in british hedgehogs (erinaceus europaeus). | fifty-three dead hedgehogs (erinaceus europaeus) were investigated histologically for evidence of lungworm infestation. the faeces of forty-two were examined microscopically for nematode eggs. thirty-five animals showed parasitic lesions--fourteen crenosoma only, five capillaria only and sixteen both. infestations were characterized by inflammatory changes in the trachea and lung and the presence of worms in other organs. there was some correlation between the finding of parasites in histologica ... | 1989 | 2918108 |
[preliminary observation on experimental infection with mycobacterium leprae in hedgehogs (erinaceus europaeus linne')]. | 1985 | 2938761 | |
histochemical enzyme profile of the masseter, temporal and lateral pterygoid muscles of the european hedgehog (erinaceus europeaus). | in man, there are large differences in histochemical fibre-type composition, distribution and size between jaw and trunk muscles, probably related to the special functions of the human stomatognathic system. in the hedgehog, the influence of alkaline and acid pre-incubations on the reaction for myofibrillar atpase was different from that in man, suggesting a different myosin structure; the fibre composition was different also. the masseter, the superficial portion of the temporal and the lateral ... | 1986 | 2939817 |
lipoprotein[a] is the major apob-containing lipoprotein in the plasma of a hibernator, the hedgehog (erinaceus europaeus). | we have undertaken studies aimed at elucidating the interrelationships existing between the seasonal modifications in endocrine status (already demonstrated by saboureau, m., and j. boissin. 1978. c.r. acad. sci. (paris) 286d: 1479-1482) and plasma lipoprotein metabolism in the male hedgehog. during the course of these studies, we discovered that a lipoprotein comparable to human lp[a] was a prominent component of the plasma lipoprotein spectrum in the hedgehog. this lipoprotein was present in t ... | 1988 | 2972788 |
seasonal endocrine cycles in the european hedgehog, erinaceus europaeus. | adult hedgehogs, maintained in captivity under natural environmental conditions of photoperiod and ambient temperature, were bled monthly. plasma was assayed for melatonin, testosterone, prolactin, thyroxin, beta-endorphin and both plasma and urine for cortisol. melatonin concentrations followed a circannual pattern, maximal between november and february at photoperiods less than 10l:14d, which is suggested as a key photoperiod. beta-endorphin concentrations were maximal between march and septem ... | 1988 | 2972832 |
isolation of tbe virus from the tick ixodes hexagonus. | tick-borne encephalitis (tbe) virus was isolated from a sample of ixodes hexagonus ticks collected from the hair of the western european hedgehog (erinaceus europaeus) which had been captured on the edge of a new housing estate in ceské budĕjovice at the end of september 1986. this was the first isolation of tbe virus from this vector, supporting the previous experimental results. the virus was identified in immunofluorescent and plaquereduction neutralization tests. | 1988 | 3058559 |
purification and characterization of alpha 2-, alpha 2-beta- and beta-macroglobulin inhibitors in the hedgehog, erinaceus europaeus: beta-macroglobulin identified as the plasma antihemorrhagic factor. | three macroglobulin inhibitors were purified from hedgehog (erinaceus europaeus) plasma by sequential chromatography on cibacron blue sepharose, sephacryl s-200 and preparative agarose gel electrophoresis. each macroglobulin was characterized for proteinase inhibiting activity, molecular weight by polyacrylamide gel electrophoresis (page), subunit size by sodium dodecyl sulfate (sds)-page, immunological cross-reactivity to other macroglobulins and antihemorrhagic activity against european viper ... | 1987 | 3124298 |
evidence for the presence of alpha 1b-glycoprotein in mammalian sera: immunoblotting studies. | 1. a monospecific antiserum to pig alpha 1b-glycoprotein (po2) was produced in rabbits and was used to search for homologues of alpha 1b in sera of 41 mammalian species belonging to seven orders. 2. specific reactions were detected in the sera of representatives of insectivora, primates, carnivora, proboscidea, perissodactyla and artiodactyla. no cross-reactions were observed in the sera of two species of rodentia (mouse, rat). 3. cross-reactions in the sera of erinaceus europaeus, homo sapiens ... | 1988 | 3224514 |
seasonal ultrastructural changes of the hypophyseal pars tuberalis in the hedgehog (erinaceus europaeus l.). | the comparison of the hypophyseal pars tuberalis in active and in hibernating hedgehogs reveals different cytological characteristics in the specific secretory cells. in active animals, these cells show oval nuclei and the cytoplasm contains numerous secretory granules near or attached to the cell membrane, suggesting exocytotic release. in hibernating animals, the specific secretory cells are characterized by irregularly shaped and often invaginated nuclei. clusters of secretory granules lying ... | 1988 | 3227781 |
hippocampus and dentate area of the european hedgehog. comparative histochemical study. | the hippocampal formation in the european hedgehog was examined with acetylcholinesterase (ache) histochemistry and catecholamine histofluorescence in order to define the normal distribution of septohippocampal fibers and noradrenergic fibers, respectively, as well as to compare these inputs with the hippocampal cytoarchitecture as revealed with nissl stain. in addition, alterations in the histochemical appearance following septohippocampal denervation were examined. although the overall pattern ... | 1988 | 3233486 |
[regulation of endocrine pancreas secretions (insulin and glucagon) during the periodic lethargy-waking cycle of the hibernating mammal]. | in winter, hibernating mammals enter a long phase of lethargy which is characterized by low body temperature, depressed metabolism and minimal release of metabolic substrates from endogenous fuel stores. periodically, they spontaneously warm themselves to regain the euthermic state. these arousals are, by contrast, times of high release and consumption of endogenous substrates. insulin and glucagon may contribute to the control of both contrasting metabolic periods. the secretion and metabolic e ... | 1987 | 3301441 |
vip- and cck-like-immunoreactive neurons in the hedgehog (erinaceus europaeus) and sheep (ovis aries) brain. | the distribution pattern and the morphology of vasoactive intestinal polypeptide (vip)- and cholecystokinin (cck)-like-immunoreactive neurons were studied in the brain of the hedgehog and the sheep by means of the peroxidase-antiperoxidase immunocytochemical method. a total of 34 hedgehogs and 26 sheep of both sexes were used. fourteen hedgehogs and 13 sheep received an intracerebroventricular injection of colchicine that enhanced the immunostaining and revealed "new" immunoreactive cell bodies. ... | 1987 | 3312309 |
thermoregulation in the female hedgehog, erinaceus europaeus, during the breeding season. | the body temperatures of 3 breeding and 7 non-breeding female hedgehogs were monitored during 3 years. lactating females had significantly higher and less variable body temperatures than did pregnant and non-breeding hedgehogs. breeding females had circadian body temperature cycles that were more biphasic than those of non-breeders. females maintaining higher mean daily body temperatures showed less variability about the mean than those exhibiting lower mean daily body temperatures. the rate at ... | 2011 | 3339586 |
cortical and brain stem projections to the spinal cord of the hedgehog (erinaceus europaeus). a horseradish peroxidase study. | cortical and brain stem neurons projecting to the spinal cord in the hedgehog were studied by means of the horseradish peroxidase (hrp) tracing method. hrp injections were placed in the first cervical segments, in the cervical enlargement (c5-t3) and in the lumbar enlargement. following injections in the first cervical segments and in the cervical enlargement labelled neurons were observed in the somatic motor and somatic sensory cortices, the paraventricular and the dorsomedial hypothalamic nuc ... | 1988 | 3414978 |
[flea bites caused by archaeopsylla erinacei, the hedgehog flea]. | a hedgehog flea was the cause of multiple flea bites in a 48-year-old patient. the main host of the hedgehog flea is the european hedgehog, but the flea was also found in different furry mammals, such as polecats, brown rats and foxes. it was not previously known that archaeopsylla erinacei attacks man. | 1987 | 3429232 |
relationship between body and testis temperatures in the european hedgehog, erinaceus europaeus, during hibernation and sexual reactivation. | simultaneous telemetry of the body and testis temperatures of 8 hedgehogs was carried out during hibernation and during sexual reactivation in spring. between october and january, when the testes were involuted, the body/testis temperature differential was variable, with mean daily testis temperatures up to 1 degrees c warmer than body temperatures. from mid-february onwards, when plasma testosterone approached maximal concentrations, mean testicular temperatures stabilized 1.4 +/- 0.2 degrees c ... | 1987 | 3430474 |
cell types of the pars distalis of the hedgehog (erinaceus europaeus l.) adenohypophysis: cytological, immunocytochemical and ultrastructural studies. 4. thyrotropic cells. | staining and histochemical methods, immunofluorescence and electron microscopy were used to individualize the thyrotropic cells in the adenohypophysis of the non-hibernating hedgehog. one cell type was differentiated; its characteristics at the light and electron-microscopic levels were presented. immunofluorescence has confirmed the functional significance of this cell type and the validity of the denomination of 'thyrotropic cells'. | 1986 | 3538749 |
venom resistance in the hedgehog, erinaceus europaeus: purification and identification of macroglobulin inhibitors as plasma antihemorrhagic factors. | hedgehog (erinaceus europaeus) plasma contains factor(s) which neutralize the hemorrhagic activity of european viper (vipera berus) venom. these antihemorrhagic factor(s) were purified by gel filtration on sephacryl s-200 and chromatography on cibacron blue sepharose. the macroglobulin fraction obtained was characterized for proteinase inhibiting activity, molecular weight and purity by polyacrylamide gel electrophoresis and immunological cross-reactivity and was found to contain the three macro ... | 1987 | 3590212 |
retinal projections in the hedgehog (erinaceus europaeus). an autoradiographic and horseradish peroxidase study. | the retinal projections of the hedgehog were studied using tritiated leucine and horseradish peroxidase as orthograde tracers. in both series of experiments labeling was seen bilaterally in the suprachiasmatic nucleus, the dorsal and the ventral lateral geniculate nucleus, the superior colliculus, and the pretectal area and contralaterally in the terminal nuclei (dorsal, lateral and medial) of the accessory optic system. a retino-intergeniculate leaflet projection is described for the first time ... | 2013 | 3605651 |
[comparative characteristics of the sleep-wakefulness cycle of hibernating and non-hibernating mammals]. | wakefulness-sleep cycles compared in rats and european hedgehogs revealed differences in quantitative representation of phases in hibernating and non-hibernating mammals. the data obtained suggest a higher level of the wakefulness-sleep cycle organization in rats as compared with european hedgehogs. | 1987 | 3622822 |
the comparative immunocytochemical distribution of 28 kda cholecalcin (cabp) in the hippocampus of rat, guinea pig and hedgehog. | the distribution of 28 kda cholecalcin (calcium-binding protein, cabp) in the hippocampal formation of the rat, guinea pig and european hedgehog was examined by immunocytochemistry. the extension of the mossy fibers (the axons of the granule cells of the dentate gyrus) was also studied using the timm's sulfide-silver method. cholecalcin was present in all mossy fibers. in the rat, only those pyramidal cells not reached by the labeled mossy fibers displayed cholecalcin immunoreactivity. immunocyt ... | 1987 | 3676777 |
ultrastructure of the retrolingual salivary gland of the european hedgehog. | retrolingual glands of the european hedgehog are pure mucous salivary glands consisting of mucous acini, intercalated ducts, and excretory ducts, but lacking striated ducts. the acinar cells, which lack basal folds, are filled with mucous droplets that have a fibrillogranular matrix. many of the intercalated duct cells contain a single cytoplasmic inclusion that often is nearly as large as the nucleus. these inclusions are expanded cisternae of rough endoplasmic reticulum with moderately dense c ... | 1986 | 3712509 |
unusual myoepithelium in the retrolingual salivary gland of the european hedgehog. | the myoepithelial cells of the hedgehog retrolingual salivary gland have an unusual three-dimensional configuration. many of the myoepithelial processes are not closely apposed to the overlying epithelial cell, but pursue a seemingly independent course in the connective tissue. the multiplicity of myoepithelial processes gives the intercalated ducts the appearance of being ensheathed by several layers of smooth muscle, each delimited by basal lamina, but these layers can be traced back to their ... | 1986 | 3712510 |
structure of the olfactory bulb of the hedgehog (erinaceus europaeus): description of cell types in the granular layer. | the cytoarchitecture of the olfactory bulb and the cell types in the granular layer of adult hedgehogs have been studied with the golgi method. the mitral cell layer does not stand out as a monolayer as in most mammals; it is arranged as a diffuse stratum with mitral cells displaced into the external plexiform layer. the external plexiform layer is exceedingly thick and contains the branches of peripheral processes of granule cells and displaced mitral and tufted cells. the granular layer contai ... | 1986 | 3793987 |
[characteristics of the regulating effect of the hippocampus on conditioning reflex activity in the hedgehog erinaceus europaeus]. | 2013 | 3829906 | |
an allometric study of hippocampal components. a comparative study of the brains of the european hedgehog (erinaceus europaeus), the tree shrew (tupaia glis), and the marmoset monkey (callithrix jacchus). | brains of western european hedgehogs, common tree shrews and common marmosets were perfused and stained according to timm's method. the volumes of hippocampal components were determined with semiautomated quantitative techniques and compared by allometric methods. the results support previous findings that the size of the hippocampus in marmosets and tree shrews is about twice that of the hippocampus of the european hedgehogs of the same body weight. three hippocampal substructures account for m ... | 1985 | 3939608 |
neurotensinlike immunoreactive neurons in the hedgehog (erinaceus europaeus) and the sheep (ovis aries) central nervous system. | neurotensin-containing neurons in the hedgehog and sheep central nervous system were studied immunohistochemically. in both species, mapping of neurotensin neurons was achieved only after pretreatment with colchicine injected intracerebroventricularly 2 days prior to perfusion. bipolar or multipolar neurotensin neurons, 10-30 micron in diameter, were observed in the following regions of the central nervous system of both species: medial amygdaloid nucleus, lateral septal nucleus, interstitial nu ... | 1986 | 3950094 |
ultrastructure and histochemistry of the submandibular gland of the european hedgehog, erinaceous europaeus l. i. acinar secretory cells. | 1972 | 4111667 | |
[study of the formation of granulations in the antehypophyseal prolactin cells, in the hedgehog (erinaceus europeus l.)]. | 1974 | 4136448 | |
the claustrum and the transitional neo-paleocortical area of the hedgehog (erinaceus europaeus). | 1974 | 4138168 | |
tissue and plasma electrolyte levels in the awake state during the year, in summer cold exposure and during arousal from hibernation in the hedgehog (erinaceus europaeus). | 1974 | 4154171 | |
[effects of reserpine on heart rate and thermoregulation in the active and normothermic hedge hog (erinaceus europaeus l.) and in the hibernating hedge hog]. | 1973 | 4206005 |