| blood testosterone level: a season-dependent factor regulating immune reactivity in lizards. | an attempt to study the interaction between testosterone (ts) and the immune system of the lizard chalcides ocellatus led to three major findings: 1) endogenous serum ts levels in both males and females peak in spring and are minimal during summer; 2) injection of ts in either male or female lizards induces significant depletion of lymphoid elements, reduction in serum antibody titers to rat erythrocytes and increase in skin allograft survival; 3) a distinct inverse correlation between endogenou ... | 1990 | 2345015 |
| detection of thy-1+ cells in the developing thymus of the lizard, chalcides ocellatus. | the ontogenic appearance of thy-1+ cells was studied in the thymus of the lizard, chalcides ocellatus, by indirect immunofluorescence using a rabbit antibrain antiserum produced against surface determinants shared by both the thymus and the brain lizards. thymic thy-1+ cells were first detected at stage 37. they increased rapidly reaching adult numbers by stage 41. apparently thy-1+ cells differentiate from lymphoid precursors arriving at the thymus analage before stage 37. the results are compa ... | 1988 | 2907689 |
| primary in vitro stimulation of antibody production by lizard splenocytes. | single-cell suspensions of adult lizard (chalcides ocellatus) spleen have been induced, in vitro, to produce a primary immune response. using rat red cells (rrbc) as antigen and the culture conditions normally used in most vertebrate species but new for reptilia, it has been found that, in vitro at 37 degrees c, lizard spleen cells produce an antibody-forming response optimal at day 10. the response depends on the number of cultured cells and the dose of antigen, and parallels that obtained in v ... | 1988 | 3413977 |
| basophilic rods in the liver cell cytoplasm of rat. | | 1953 | 13104018 |
| vegetable and animal food sorts found in the gastric content of sardinian wild boar (sus scrofa meridionalis). | authors report results emerging from gastric content analysis from n. 96 wild boars hunted in sardinia isle, during the hunting tide (2001-2005), from november to january. mean ph of the gastric content was 3.77 +/- 0.69. mean total capacity (tc) of each stomach was 1702 +/- 680 g. mean stuff ratio (cw/tc) between the content weight (cw) and stomachs tc was 0.45. food categories found in animal stomachs were: 19 categories of vegetal species (allium spp., arbutus unedo, arisarum vulgare, avena f ... | 2007 | 17516948 |
| oochoristica chalcidesi n. sp. (eucestoda: linstowiidae) from the ocellated skink, chalcides ocellatus (forskal, 1775) in the united arab emirates. | five out of ten ocellated skinks (chalcides ocellatus) examined in dubai between 2007 and 2010 were infected with cestodes of the genus oochoristica. out of the 36 collected tapeworms seven specimens were used to describe a new species. oochoristica chalcidesi n. sp. belongs to the group of species with 25 to 35 testes arranged in two clusters. the lobes of the ovary are subdivided into 4-5 lobules in a similar way as o. ubelakeri described from agama atra in namibia. both species differ in the ... | 2011 | 21211094 |
| on the life cycle and morphology of development stages of paraspiralatus sakeri gibbons et al., 2004 (nematoda: spiroidea, spirocercidae), a heteroxenic stomach parasite of falcons. | pitted darkling beetles (adesmia cancellata) were infected with nematode eggs found in the alimentary tract of a gyrfalcon (falco rusticolus) naturally infected with paraspiralatus sakeri. third-stage larvae in numbers between 1 and 84 were removed from the beetles 5 weeks postinfection and were used for morphological studies as well as to infect domestic chicken, yellow-bellied geckos (hemidactylus flaviviridis) and fringe-toed lizards (acanthodactylus schmidti). all experimental animals, necro ... | 2014 | 24652447 |
| [histogenesis and histology of the parietal eye of anguis fragilis and chalcides ocellatus]. | | 1953 | 13091042 |
| [embryology, histogenesis and histology of epiphysis, paraphysis, velum transversum, dorsal sack and subcommissural organ in anguis fragilis, chalcides ocellatus and natrix natrix]. | | 1953 | 13104016 |
| a comparative ultrastructural study of the cardiac and skeletal striated muscles of the skink. | ultrastructural differences between cardiac and striated muscle fibres observed in the ocellated skink (chalcides ocellatus ocellatus) indicate that functional differences have a structural correlate in the muscle cells. although the myofibrils of both the cardiac and skeletal muscles displayed the same typical band pattern, differences in mean nuclear diameter and sarcomere length and in the a, i, z, h, and m bands (discs) were observed. in addition, differences were found in the number, size a ... | 2006 | 1490007 |
| comparison of thermal acclimation effects on the metabolism of chalcides ocellatus (desert lizard) and lacerta vivipara (cool-temperate lizard). | the ocellated lizard, chalcides ocellatus, and the common lizard, lacerta vivipara, were acclimated to two temperature regimes (10 and 30 degrees c with 12l:12d photoperiod) for 2 weeks. the oxygen consumption rates were measured for both species at temperatures between 5 and 35 degrees c. cold acclimation was observed in l. vivipara and was in the form of an upward translation of the metabolic rate-temperature curve in comparison to the warm-acclimated lizards (30 degrees c). chalcides ocellatu ... | 1985 | 2863083 |
| development of the lizard limb as shown by the distribution of [35s]sulphate incorporation. | in the forelimb of the lizard, chalcides ocellatus (forskal), the chondrogenic pattern is laid down in a proximodistal direction commencing with the proximal regions. the chondrogenic skeletal pattern along the antero-posterior axis gives humerus, radius, ulna and the distal region. the radius and ulna differ in their length and level of sulphation. the end result is a periodic pattern resembling that in other amniotes. the peripheral areas and distal region show an almost uniform uptake of [35s ... | 1984 | 6429113 |
| the effect of thyroxine on the oxygen consumption of the ocellated skink, chalcides ocellatus (forskal). | acutely administered thyroxine caused significant increase in the whole body rate of oxygen consumption of c. ocellatus at temperatures between 4 and 25 degrees c. no significant increase in the oxygen consumption was observed over the voluntary body temperature range of 30-40 degrees c. | 2010 | 2881652 |
| factors affecting helminths community structure of the egyptinan lizard chalcides ocellatus (forskal, 1775). | the variation in the component community structure of intestinal helminths in the lizard chalcides ocellatus (forskal, 1775) was studied in relation to the seasonal variation and host weight and sex. 120 lizards were collected seasonally during year 2004, from al firdan, ismailia governorate, egypt. the helminths community consisted of six species (five nematodes and one cestode). the various helminths differed according to host sex. the prevalence of total helminths infection was 67.6 % while t ... | 2005 | 16402563 |
| [spread of hemoparasites in reptiles and amphibians in italy]. | hemoparasites were harvested from 993 individuals belonging to 15 reptilian and 1 amphibian species, from various italian localities. hemogregarins were found in 10 reptilian species while a flagellate and microfilariae were found only in tarentola mauritanica from lampedusa. for each host species and place of origin the frequencies of hemogregarins are reported and discussed. longitudinal studies with periodical thin smears were carried out on 5 tarentola mauritanica, 4 lacerta viridis, 26 poda ... | 1999 | 10870559 |
| studies on the nematode; moaciria icosiensis (seurat, 1917) from chalcides ocellatus (forsk.) in egypt. | with the aid of scanning electron microscopy certain morphological features (e.g.lateral alae, posterior end of male and cuticular surface) are used as principal pilars in the description of the nematode moaciria icosiensis (seurat, 1917) from chalcides ocellatus (forsk). cuticular surface is distinguished by minute striations. lateral alae are smooth and showing undulation. the posterior end of the male is curved and carries specific papillae. these morphological features are specific and aid i ... | 1996 | 8918052 |
| scanning electron microscope observations on parapharyngodon bulbosus (linstow, 1899) (nematoda: pharyngodonidae) from egyptian chalcides ocellatus. | the oxyurid nematode parapharyngodon bulbosus was collected from the lizard chalcides ocellatus from egypt. male and female worms were described by light and scanning electron microscopes. the specific characteristics of the worms were defined, including; mouth opening, cuticular surface of the body, genital cone and genital papillae in the male. | 1994 | 7844422 |
| ecological studies of chalcides ocellatus (forskal, 1775) and hemidactylus turcicus (linnaeus, 1758) from egypt with special reference to helminthic parasites. | chalcides ocellatus and hemidactylus turcicus are sympatric throughout most of their geographical distribution in egypt. their temporal activities, food items and feeding strategy are almost similar. chalcides ocellatus harboured 5 species of nematodes and one species of cestode, while hemidactylus turcicus harboured only 3 species of nematodes. two species of nematodes occurred in both hosts. | 1995 | 7602157 |
| [studies on the epidemic-epizootologic role of lacertilia in the diffusion of salmonella. ii. isolation of s. elomrane, s. elomrane, var. 01, s. minnesota, s. siegburg, s. siegburg, var. sandinia, s. uphill and s. rhône from chalcides ocellatus tiligugu, gmelin (syn. gongyllus ocellatus, bedriaga) of the family scincidae]. | | 1971 | 5155940 |
| [structure of the adult ovary of the chalcides ocellatus tiligugu (gmelin) during the course of a year]. | | 1978 | 753175 |
| structure and function of corpus luteum during gestation in the viviparous lizard chalcides ocellatus. | | 1968 | 5691928 |
| [preliminary observations on the ultrastructure of the spermatozoa of chalcides ocellatus (gmelin)]. | | 1967 | 6069713 |
| some observations on the technique of deluteinization in pregnant viviparous lizard chalcides ocellatus in the light of the naturally occurring embryonic mortality. | | 1967 | 5584539 |
| the cranial osteology of adult chalcides ocellatus. | | 1965 | 5868933 |
| effect of hydrocortisone on immune system of the lizard, chalcides ocellatus. iii. effect on cellular and humoral immune responses. | administration of a single injection of 1.0 mg/g body weight hydrocortisone acetate (hc) to adult lizards, chalcides ocellatus in summer elicited a high and lasting rise in serum corticosterone and cortisol, peak levels being, however, in the physiologic ranges of 10 micrograms % (2 x 10(-7) m) and 40 micrograms % (1 x 10(-6) m), respectively. elevation of serum corticosteroid (cs) concentrations by exogenous hc impaired the proliferative capacity of spleen cells in mixed leukocyte reaction (mlr ... | 1986 | 3527803 |
| the development of lymphocytes with t- or b-membrane determinants in the lizard embryo. | to study the ontogeny of lymphocytes in the lizard, chalcides ocellatus antisera were raised in rabbits against thymocytes collected from adult lizards (aats) or from embryos of stages 40 and 41 (aets), and against serum immunoglobulins (aggs). aats recognized in adult lizards a surface membrane antigenic system (ta) specific to thymocytes and thymus-derived (t-) cells in spleen, and a distinct antigenic entity (tt) found exclusively on intrathymic lymphocytes. after exhaustive absorption with a ... | 1986 | 3490411 |
| endogenous corticosteroids mediate seasonal cyclic changes in immunity of lizards. | endogenous corticosteroid (cs) blood levels were radioimmunoassayed in fresh, field-collected lizards chalcides ocellatus at two week-intervals throughout the four consecutive seasons. these animals were used in parallel to investigate the splenic t and b lymphocyte level, lymphoproliferative responsiveness to concanavalin a and primary antibody production in vitro against rat erythrocytes (rrbc). the recorded data indicated that fully developed splenic lymphoid tissue and powerful immune respon ... | 1988 | 3264266 |
| immunological changes during pregnancy in the viviparous lizard, chalcides ocellatus. | splenic cells from pregnant and non-pregnant viviparous lizards (chalcides ocellatus) were stimulated in vitro with the mitogens, concanavalin a (con a), phytohemagglutinin (pha) and escherichia coli lipopolysaccharide (lps). cell cultures from pregnant animals were significantly less responsive to con a and pha than comparable cultures from non-pregnant animals. the response was depressed during the first period of pregnancy and remained low in magnitude until parturition. by contrast, the resp ... | 1990 | 2396365 |
| on the morphology of the oxyurid nematode pharyngodon mamillatus (linstow, 1897) from chalcides ocellatus from egypt. | the nematode p. mamillatus is described from the lizard chalcides ocellatus (forsk.) from cairo, egypt. the use of both light and scanning electron microscopy enabled the authors to report new morphological features of the worms, including the cuticular surface, lateral alae and male caudal structures. | 1992 | 1431298 |
| chemical access to the vomeronasal organs of the lizard chalcides ocellatus. | a functional association between tongue flicking and vomeronasal organ chemoreception in lizards has been assumed frequently, but never tested. to test this hypothesis, a cotton swab soaked in prey extract mixed with [3h]proline was touched ten times to the snouts of normal and tongueless lizards (chalcides ocellatus), as well as normal lizards whose vomeronasal organ (vno) ducts had been sealed with a tissue adhesive. additionally, such a swab was held approximately 0.5 cm in front of the snout ... | 1989 | 2723603 |
| [efferent projections of "classical" peptidergic neurons of the neurosecretory system of the telencephalon in reptiles (scincus scincus l. and chalcides ocellatus forskal; lacertilia, squamata]. | in both species of lacertilian reptiles investigated, the peptidergic hypothalamic supraoptic and paraventricular nucleus project with efferents to the telencephalon, to caudal parts of the brain, and to the spinal cord. the marked system of efferents of the "classic" peptidergic neurosecretory nuclei to the telencephalon was mapped. the unlabeled peroxidase-antiperoxidase immunocytochemical procedure revealed at the light microscopical level neurophysin- respectively mesotocin- or vasotocin-con ... | 1990 | 2358664 |
| effect of gonadal steroid hormones on the metabolic rate of the cold-acclimated gonadectomized male and female chalcides ocellatus (forskal). | male and female chalcides ocellatus were gonadectomized and cold acclimated at 15 degrees for 1 week. lizards were injected with testosterone and estradiol, and their oxygen consumption was determined at 15 degrees. testosterone and estradiol caused a significant increase in the whole body rate of oxygen consumption in male and female lizards, respectively. | 1990 | 2289676 |
| endodyogony and cyst formation of sarcocystis gongyli (trinci 1911) from the skink chalcides ocellatus. | the heteroxenous life cycle of s. gongyli comprising both the skink chalcides ocellatus (intermediate host) and the snake spalerosophis diadema, herewith the process of cyst formation was followed by means of light and electron microscopy after experimental infection. following migration of the merozoites to muscle fibres, they changed into globular metrocytes, meanwhile a parasitophorous vacuole enclosing them. as development proceeded the wall of the parasitophorous vacuole is thickened in the ... | 1991 | 1908496 |
| thymus histogenesis in the lizard, chalcides ocellatus. | different stages of thymus morphogenesis and thymocyte differentiation have been studied at the ultrastructural level in the lizard, chalcides ocellatus. on stage 36 of embryonic development, the thymus primordium was composed principally of undifferentiated epithelial cells and some lymphoid stem-cells. from stage 37 to 38, the lymphoid stem-cells differentiate into lymphoblasts and then transform into typical lymphocytes. a clasmotosis phenomenon seems to be involved in this transformation. in ... | 1993 | 8209401 |
| the development of the skull of chalcides ocellatus. ii. the fully formed chondrocranium and the osteocranium of a late embryo. | | 1959 | 13819853 |
| the development of the skull of chalcides ocellatus. i. the development of the chondrocranium. | | 1959 | 13832469 |
| [biology of procreation of the viviparous lizard chalcides ocellatus]. | | 1955 | 13277703 |
| seasonal distribution and hormonal modulation of reptilian t cells. | using pna and anti-thy-1 fluorescent binding assays, t lymphocytes of the lizard, chalcides ocellatus were phenotypically distinguishable into four subpopulations (pna+ thy-1-, pna+ thy-1+, pna- thy-1+ and pna-thy-1-), which seemed to be affected independently by endogenous steroid levels. indeed, the size of pna+ thymocytes is maximal and coincides with the low level of circulating cortisol during spring through summer and decreases gradually with the elevation of the cortisol level. on the oth ... | 1995 | 7590861 |
| light and electron microscopic studies of isospora chalchidis (amoudi, 1989) infecting chalcides ocellatus in egypt. | oocysts of isospora chalchidis (amoudi, 1989) were described from the faeces of the skink chalcides ocellatus in egypt. non-sporulated oocysts were spheroidal, measuring 20 (18.5-21) microns in diameter and contained granulated zygotes. sporulated oocysts had the same dimensions of the nonsporulated ones and each contained two sporocysts. sporocysts were ovoid with stieda and sporocyst residual bodies. sporulation time was 50 hours at room temperature. merogony and gamogony occurred in the intes ... | 1996 | 8721231 |
| uterine morphology during the annual cycle in chalcides ocellatus tiligugu (gmelin) (squamata: scincidae). | the uterus of the viviparous skink chalcides ocellatus tiligugu was studied by sem and lm during the annual cycle. three functional phases were identified: preovulatory (spring), gestatory (summer), and quiescent (autumn-winter), characterized by changes in the uterine wall (mainly the endometrial layer). in the preovulatory phase, the uterine wall increases in thickness; its luminal epithelium has ciliated cells and two types of unciliated secretory cells. the first type secretes sulfated glyco ... | 2000 | 10658199 |
| pregnancy-related involution of the thymus in the viviparous lizard, chalcides ocellatus. | the thymus gland of the adult viviparous lizard, chalcides ocellatus (reptilia, sauria, scincidae) undergoes conspicuous morphological changes in relation to gestational period. during pregnancy, the thymus is depleted of thymocytes and undergoes changes coming to consist primarily of numerous degenerative cysts. thymic involution occurs early during pregnancy (starting at phase ii) and reaching its highest level at parturition (phase v). these observations correlate with the circulating level o ... | 1989 | 2623746 |
| corticosteroids and immune system in the lizard chalcides ocellatus. | | 1987 | 3495807 |
| ontogeny of con a responsiveness and mixed leucocyte reactivity in the lizard, chalcides ocellatus. | the immune system of phylogenetically key animals will contribute significantly to our understanding of the evolution of immune response in higher vertebrates. reptiles, being evolutionary precursors of both birds and mammals, represent a pivotal group and thus a study of their immune system is of special significance. here we described the emergence of t-cell immune capability in the viviparous lizard (chalcides ocellatus) throughout embryonic development (stages 36-41 of zada and el deeb, 1984 ... | 1987 | 2960575 |
| mixed leukocyte reaction, graft-versus-host reaction, and skin allograft rejection in the lizard, chalcides ocellatus. | in optimal seasonal conditions, splenocytes derived from adult lizards, chalcides ocellatus, responded to vigorous proliferation in two- and one-way mixed leukocyte reaction cultures (mlrc). data based on a large number of reciprocal mlrc provided evidence for the presence of strong and diverse lymphocyte activating determinants. these findings were fully confirmed in studies of systemic graft-versus-host reaction as intraperitoneal injection of splenocytes into newborn allogeneic recipients con ... | 1984 | 6237047 |
| effect of hydrocortisone on immune system of the lizard, chalcides ocellatus. i. response of lymphoid tissues and cells to in vivo and in vitro hydrocortisone. | a single dose of 1 mg/g body weight of hydrocortisone acetate (hc) administered intraperitoneally to adult lizards, chalcides ocellatus induced rapidly a reduction of about 85% of thymic lymphocytes. histological evidence indicated that cortical, as well as, medullary thymocytes are sensitive to hc exposure. around 40-50% of lymphocytes in peripheral blood (pb) and spleen were depleted at 3-7 days post-hc injection; such depletion durated about 4 weeks for pb but was rather temporary in spleen. ... | 1984 | 6724087 |
| effect of hydrocortisone on immune system of the lizard, chalcides ocellatus. ii. differential action on t and b lymphocytes. | lymphocytes of thymus, spleen, peripheral blood (pb) and bone marrow (bm) collected from adult lizards, chalcides ocellatus were cultured for 24 hr in the presence of 10(-3)m hydrocortisone acetate (hc) in order to assess the effect of in vitro hc on lizard t and b cell viability. the results indicated that hc induced stepwise, time-dependent mortality of the majority of thymocytes carrying t cell specific antigen(s) (tsa), 30-50% of t cells of spleen, pb and bm, and of a proportion of splenic b ... | 1984 | 6335106 |
| the endocrine pancreas of a squamate reptile, the desert lizard (chalcides ocellatus). a histological and immunocytochemical investigation. | the endocrine pancreas of the desert lizard (chalcides ocellatus) was investigated histologically and immunocytochemically. the endocrine tissue was concentrated in the dorsal lobe, where it constituted about 7% of the total volume. in the ventral lobe the endocrine tissue formed approximately 1% of the total volume. four endocrine cell types were observed in the pancreas of this species, namely insulin-, glucagon-, somatostatin- and pancreatic polypeptide (pp)-immunoreactive cells. the volume o ... | 1983 | 6136495 |
| preliminary data on the structure and embryogenesis of the parietal eye in chalcides ocellatus (lep. scin.). | | 2006 | 7185228 |
| [comparative immunochemical study of the serum proteins of lacertilia (reptilia)]. | the immunochemical relationships of the serum proteins of uromastix acanthinurus, agama mutabilis, oplurus cuvieri, o. quadrimaculatus, chamaeleo chamaeleon, chalcides ocellatus and lacerta lepida were studied by means of immunoelectrophoresis with an antiserum anti-uromastix successively absorbed. homogeneity of the iguania species was pointed out and they were found more closely related to the scincid chalcides ocellatus than to the lacertid lacerta lepida. within the iguania, the two agamids ... | 1978 | 116608 |
| differential effect on seasonal variation on lymphoid tissue of the lizard, chalcides ocellatus. | | 1978 | 680304 |
| gastrointestinal helminths of the lizard chalcides ocellatus from benghazi, libya. | chalcides ocellatus, a scincid lizard, sampled during october 1998 to december 1999 from benina (farmland) and al-kueffia (a rocky area) in benghazi, libya, was found to harbour three intestinal nematodes, pharyngodon mamillatus, thelandros alatus and parapharyngodon micipsae, and an intestinal cestode, oochoristica tuberculata. thelandros alatus, p. micipsae and o. tuberculata were recorded for the first time in c. ocellatus. parapharyngodon micipsae was detected in c. ocellatus from benina and ... | 2005 | 15831111 |
| structure and histochemical organization of the spleen of agama stellio (sauria: agamidae) and chalcides ocellatus (sauria: scincidae). | the spleen of agama stellio is composed mainly of red pulp; the white pulp is poorly developed, and its clusters are scattered throughout the organ and contain lymphocytes, reticular cells, and some plasma cells. the red pulp consists of clear reticular cells intermingled with blood cells, sinusoids, and pigment cells. the spleen of chalcides ocellatus is encapsulated by connective tissue and is composed of white and red pulp. the white pulp consists of lymphoid tissue that surrounds the central ... | 1993 | 29865452 |
| ontogeny of hemopoietic and lymphopoietic tissues in the lizard chalcides ocellatus (reptilia, sauna, scincidae). | the first and major blood-forming organ to develop in the viviparous lizard chalcides ocellatus is the yolk sac, which exhibits prominent erythropoietic activity from as early as stage 21 through birth (stage 41). myeloid cells and megakaryocytes are produced in the yolk sac from stage 23 onward. during lizard embryogenesis hemopoietic activity is also observed in spleen and bone marrow but in neither kidney nor liver. cells capable of giving rise to lymphocytes both in vivo and in vitro are fir ... | 1985 | 29991193 |
| ambient temperature effects on brain and spinal cord acetylcholinesterase activity of two poikilotherms. | the changes in ache activity and protein content following cold or heat exposure and heat death were determined in the brain and spinal cord of both rana ridibunda and chalcides ocellatus. cold exposure (10 degrees c) caused a decrease in the enzyme activity and protein content of both animals. exposure to heat (36-40 degrees c) increased markedly the ache activity and the amount of protein in the two experimental animals. heat death was found to be associated with a prominent decrease in enzyme ... | 1983 | 6138204 |
| the ecological cost of morphological specialization: feeding by a fossorial lizard. | head size and shape of reptiles may reflect selection for multiple uses. for example, sexual selection for large head size may enhance feeding efficiency. in contrast, morphological characteristics of the heads of fossorial reptiles suggests that fossoriality may have evolved at the expense of reduced effectiveness in feeding. our research focused on the question: does a fossorial lizard feed less effectively than a non-fossorial lizard? to answer this question, we measured the time, number of b ... | 1987 | 28311418 |
| phylogeography of the ocellated skink chalcides ocellatus (squamata, scincidae), with the use of mtdna sequences: a hitch-hiker's guide to the mediterranean. | we analyze geographic genetic variation in c. ocellatus to evaluate the influences of major climatic, paleogeographic and anthropogenic factors in its biogeographic history. ninety four specimens from 61 populations were collected across all of its geographical range and analyzed based on partial mitochondrial sequences (cyt b, 12s, and nd1). our results demonstrate that an ancestral form of c. ocellatus, which expanded in northwestern africa at the end of miocene, diverged in at least three sep ... | 2010 | 19765663 |
| morphological description and phylogenetic assessment of 28s rrna for thelandros chalcidiae sp. nov. from chalcides ocellatus. | thelandros is a genus of oxyurid nematodes which parasitize both omnivorous and herbivorous hosts. thelandros chalcidiae sp. nov. is a new taxa described from the large intestine of the ocellated skink, chalcides ocellatus, from the south sinai desert in egypt. the recovered parasite species was examined at both morphological and molecular levels in order to determine the exact taxonomic position within pharyngodonidae family. the current pharyngodonid species is characterized by a mouth opening ... | 2020 | 32253705 |
| redescription of the nematode parasites of lizards: strongyluris oscari travassos, 1923 (heterakidae) from brazil and pharyngodon mamillatus (linstow, 1897) (pharyngodonidae) from egypt. | strongyluris oscari travassos, 1923, parasite of topidurus torquatus (wied-neuwied, 1820) (tropiduridae) from brazil and pharyngodon mamillatus (linstow, 1897) of chalcides ocellatus (forskal, 1775) (scincidae) from egypt, were redescribed based on light and scanning electron microscopy, and re-evaluation of specimens from parasitological collections. the following features were accurately observed in s. oscari for the first time: structure of lips and pharyngeal valve, presence and distribution ... | 2017 | 29035864 |
| nematodes community infecting chalcides ocellatus lizard and their relation to some environmental and biological factors. | sixty-eight species from chalicides ocellatus lizard were captured from abu rawash, giza, egypt and surveyed for gastrointestinal nematodes. 50% of the lizards were infected. five species of nematodes were recovered; the nematodes species were pharyngodon mamillatus, cosmocerca vrcibradici, spauligodon petersi, thelandros schusteri, and parapharyngodon bulbosus. prevalence of the infection was varied according to season. the highest prevalence, total intensity, and total abundance were recorded ... | 2016 | 30152950 |
| uterine gene expression in the live-bearing lizard, chalcides ocellatus, reveals convergence of squamate reptile and mammalian pregnancy mechanisms. | although the morphological and physiological changes involved in pregnancy in live-bearing reptiles are well studied, the genetic mechanisms that underlie these changes are not known. we used the viviparous african ocellated skink, chalcides ocellatus, as a model to identify a near complete gene expression profile associated with pregnancy using rna-seq analyses of uterine transcriptomes. pregnancy in c. ocellatus is associated with upregulation of uterine genes involved with metabolism, cell pr ... | 2012 | 22333490 |
| heavy metal pollution across sites affecting the intestinal helminth communities of the egyptian lizard, chalcides ocellatus (forskal, 1775). | this study aimed to investigate the possible effects of heavy metal pollution across sites and some biological factors on helminth communities infecting the lizard, chalcides ocellatus. the possibility of heavy metal accumulation by such helminths was also investigated. a total of 202 c. ocellatus were collected from three different sites (industrial, rural, and urban systems) in ismailia governorate, egypt, during summer 2009. the lizards were classified according to their sex and size and were ... | 2012 | 22282349 |