evidence for the presence of nasal salt glands in the roadrunner and the coturnix quail. | the purpose of this investigation was to determine whether or not the nasal glands of the roadrunner and the coturnix quail show cytological specializations for salt secretion. in addition, the na-k atpase content of the quail gland was determined before and after drinking of saline solutions, in an effort to evaluate the functional status of the gland. the ability to maintain weight while drinking salt water was also measured as a general index of tolerance to saline conditions. the ultrastruct ... | 1976 | 135819 |
relationships between human disturbance and wildlife land use in urban habitat fragments. | habitat remnants in urbanized areas typically conserve biodiversity and serve the recreation and urban open-space needs of human populations. nevertheless, these goals can be in conflict if human activity negatively affects wildlife. hence, when considering habitat remnants as conservation refuges it is crucial to understand how human activities and land uses affect wildlife use of those and adjacent areas. we used tracking data (animal tracks and den or bed sites) on 10 animal species and infor ... | 2008 | 18254856 |
toward resolving deep neoaves phylogeny: data, signal enhancement, and priors. | we report three developments toward resolving the challenge of the apparent basal polytomy of neoavian birds. first, we describe improved conditional down-weighting techniques to reduce noise relative to signal for deeper divergences and find increased agreement between data sets. second, we present formulae for calculating the probabilities of finding predefined groupings in the optimal tree. finally, we report a significant increase in data: nine new mitochondrial (mt) genomes (the dollarbird, ... | 2009 | 18981298 |
holmium:yttrium aluminum garnet laser and guidewires; is there a durability difference among guidewires against laser energy? an in vitro experimental study. | to evaluate the durability differences between five different type of guidewires against laser energy in an in vitro experimental ureteral model. | 2017 | 28269994 |
prompt chlorophyll a fluorescence as a rapid tool for diagnostic changes in psii structure inhibited by salt stress in perennial ryegrass. | perennial ryegrass (lolium perenne l.) is one of the most popular grass species in europe. it is commonly used for establishing the lawns in urban areas, where the salt stress is one of the major environmental conditions limiting its growth. the basic aim of this study was the detailed in vivo analysis of the changes in photosynthetic efficiency, induced by salt stress, of two lawn varieties of perennial ryegrass and to find out the variety of better properties to create lawn on the soils contam ... | 2016 | 26878219 |
implantation of an iliac branch device after evar via a femoral approach using a steerable sheath. | to describe a contralateral femoral approach for iliac branch device implantation using a steerable sheath in the setting of an existing bifurcated stent-graft. | 2015 | 26058389 |
safety and efficacy of a novel ureteral occlusion device. | to evaluate the safety of a novel ureteral occlusion device and compare its performance with that of other devices and guidewires. | 2012 | 22608800 |
the influence of variable-stiffness guide wires on basal biliary sphincter of oddi pressure measured at endoscopic retrograde cholangiopancreatography. | guide wires are commonly utilized to facilitate endoscopic procedures. however, their use may adversely influence the results of sphincter of oddi manometry, thereby leading to erroneous diagnosis and therapy. the aim of this study was to evaluate the effect of guide wires on the basal pressure of the biliary sphincter of oddi. | 2010 | 20425665 |
simulating functional magnetic materials on supercomputers. | the recent passing of the petaflop per second landmark by the roadrunner project at the los alamos national laboratory marks a preliminary peak of an impressive world-wide development in the high-performance scientific computing sector. also, purely academic state-of-the-art supercomputers such as the ibm blue gene/p at forschungszentrum jülich allow us nowadays to investigate large systems of the order of 10(3) spin polarized transition metal atoms by means of density functional theory. three a ... | 2009 | 21828528 |
| birds of a feather: emergency nurse michelle young and claudine roche are entering the flora london marathon this month dressed in costumes inspired by the cartoon character, road runner. they will be running for the charity, sense, which supports people with deafblindness, a combination of both sight and hearing difficulties. ms roche, who works with ms young in the a&e department at st thomas' hospital, london, says: 'i want to run for sense because i was lucky enough to be born with my five s ... | 2007 | 27705036 |
earliest zygodactyl bird feet: evidence from early cretaceous roadrunner-like tracks. | fossil footprints are important in understanding cretaceous avian diversity because they constitute evidence of paleodiversity and paleoecology that is not always apparent from skeletal remains. early cretaceous bird tracks have demonstrated the existence of wading birds in east asia, but some pedal morphotypes, such as zygodactyly, common in modern and earlier cenozoic birds (neornithes) were unknown in the cretaceous. we, herein, discuss the implications of a recently reported, early cretaceou ... | 2007 | 17387416 |
prevalence of allergy and asthma symptoms in recreational roadrunners. | the prevalence of allergy and asthma symptoms and asthma medication use, which has been extensively studied in elite athletes, has received little attention in recreational roadrunners. | 2006 | 17146310 |
comparison of guide wires in urology. which, when and why? | we compared and contrasted various guide wires with regard to their physical properties as they apply to their use for the access or coaxial passage of other catheters. | 2004 | 15126774 |
roadrunner to the rescue. | | 2002 | 11995760 |
physiological and ecological observations concerning the salt-secreting nasal glands of the roadrunner. | | 1972 | 4145241 |
roadrunners: activity of captive individuals. | two roadrunners, geococcyx californianus, readily accepted an activity wheel as an outlet for locomotor activity. the birds were strictly diurnal and tended to be most active per unit of time in the predusk hours. there was less activity on partly overcast days than on clear days. dim light and darkness were strongly inhibitory, even during daytime hours; bright light was stimulatory, even during nighttime hours. these findings appear to open the way for quantitative comparative studies of the i ... | 1970 | 5432575 |
temperature regulation and evaporation in the pigeon and the roadrunner. | | 1967 | 6051184 |
osteological note upon the young of geococcyx californianús. | | 1886 | 17231657 |
high-speed fixed-target serial virus crystallography. | we report a method for serial x-ray crystallography at x-ray free-electron lasers (xfels), which allows for full use of the current 120-hz repetition rate of the linear coherent light source (lcls). using a micropatterned silicon chip in combination with the high-speed roadrunner goniometer for sample delivery, we were able to determine the crystal structures of the picornavirus bovine enterovirus 2 (bev2) and the cytoplasmic polyhedrosis virus type 18 polyhedrin, with total data collection time ... | 2017 | 28628129 |
using achievement goal theory to assess an elementary physical education running program. | using achievement goal theory as a theoretical framework, this study examined an elementary physical education running program called roadrunners and assessed relationships among achievement goals, perceived motivational climate, and student achievement behavior. roadrunners promotes cardiovascular health, physical active lifestyles, and mastery behaviors such as persistence and effort. students were required to run/walk once a week during the school year in their regularly scheduled physical ed ... | 2004 | 15468526 |
sports injuries and family practice--who do roadrunners consult? | a survey among roadrunners revealed that 58.9% had suffered a sports injury in the previous year; 13% did not seek medical help, 24% elected to see their general practitioner, and 64% chose other health professionals as their initial contact. the reasons given by those who elected not to see their general practitioner are presented. | 1986 | 3941947 |
roadrunners: energy conservation by hypothermia and absorption of sunlight. | roadrunners sunning in artificial sunlight consume oxygen at standard (basal) levels at ambient temperatures as low as 9.0 degrees c. energy savings of sunning roadrunners averaged 551 calories per hour. in the dark, birds may undergo hypothermia. hypothermic roadrunners can elevate their body temperatures to normal levels by sunning, at reduced metabolic cost. | 1971 | 5546286 |
what guidewire is the best for bypassing an impacted ureteral stone? | introduction and objectives: to determine the optimal guidewire for bypassing an impacted ureteral stone. materials and methods: three different benchtop models of varying impaction (300, 362, and 444 mm hg pressure) were used to compare the ability of 13 different guidewires to bypass an impacted ureteral stone. in the first and second models, we recorded the maximum force required to bypass the stone. in the first model (300 mm hg) 10 new wires for each of the 13 types were advanced past a ure ... | 2020 | 32070125 |
a fixed-target platform for serial femtosecond crystallography in a hydrated environment. | for serial femtosecond crystallography at x-ray free-electron lasers, which entails collection of single-pulse diffraction patterns from a constantly refreshed supply of microcrystalline sample, delivery of the sample into the x-ray beam path while maintaining low background remains a technical challenge for some experiments, especially where this methodology is applied to relatively low-ordered samples or those difficult to purify and crystallize in large quantities. this work demonstrates a sc ... | 2020 | 31949902 |
argas (persicargas) giganteus soft tick infection with rickettsia hoogstraali and relapsing fever borrelia on wild avian species of the desert southwest, usa. | changing climatic conditions and the northward expansion of ticks and pathogens are of immense importance to human, animal, and environmental health assessment and risk management. from 2014 through 2015, a wildlife rehabilitation center in south-central arizona, us noted soft ticks (argasidae) infesting 23 birds, including cooper's hawks (accipiter cooperii), gray hawks (buteo plagiatus), harris's hawks (parabuteo unicinctus), red-tailed hawks (buteo jamaicensis), great horned owls (bubo virgin ... | 2020 | 31567038 |
intra- and interspecific prey theft in cicada killers (hymenoptera: apoidea: sphecius). | we studied prey theft in two cicada killer aggregations: ruby, arizona (sphecius convallis patton) and easton, pennsylvania (sphecius speciosus drury). many prey (tibicen parallelus davis [hemiptera: cicadidae]) were stolen from s. convallis by kingbirds and greater roadrunners at ruby. seventy percent of kingbird attacks on provisioning wasps were successful. using sand-filled trap nests baited with a cicada, we tested the hypothesis that conspecific females might kleptoparasitize by laying an ... | 2019 | 30715435 |