(n.) Any animal of the genus Hyrax, of which about four species are known. They constitute the order Hyracoidea. The best known species are the daman (H. Syriacus) of Palestine, and the klipdas (H. capensis) of South Africa. Other species are H. arboreus and H. Sylvestris, the former from Southern, and the latter from Western, Africa. See Daman.
Example Sentences:
(1) Semi-thin plastic sections reveal that the carotid baroreceptor region in the rock hyrax comprising the origin of the internal carotid artery has a preponderantly elastic structure and a thick tunica adventitia.
(2) Intraorally the protraction device can either be attached to a bonded acrylic expansion appliance or to a cemented Hyrax depending on the developmental stage of the dentition.
(3) In vitro metabolism of progesterone by hyrax whole blood, erythrocytes, or plasma in the presence or absence of NADPH was investigated.
(4) Centriole formation in male meiosis of the hyrax, Heterohyrax syriacus, and the Berdmore palm squirrel, Memetes berdmorei, was investigated by serial section analysis of selected regions of the seminiferous epithelium and isolated meiotic cells.
(5) Cine-x-ray (100 frames per second) was used to record feeding behavior in four adult hyraxes (Procavia syriacus), herbivores.
(6) Adult males from a colony of lesser rock hyrax found near the equator in Kenya exhibited an annual cycle of testicular activity characterized by intense spermatogenesis and elevated androgen status from May to July.
(7) After the operation the palatal expansion appliance (Biedermann-Hyrax-screw) was normally activated one one-quarter turn twice a day until the desired expansion was achieved.
(8) A notable resemblance between the hyrax and elephant sequences was observed, setting them apart from the ungulates, including whale.
(9) The perioral and intraoral representations are relatively large in SI of hyrax and exhibit considerable distortion.
(10) Radioimmunoassay and bioassay estimates of LH in hyrax pituitaries containing widely differing quantities of pituitary hormones were similar.
(11) As part of a study of the evolutionary development of the eye lens protein alpha-crystallin the 173-residue A chain of this protein has been studied in elephant, whale, hyrax and rhinoceros.
(12) However, with the exception of the elevated potassium levels observed in the cranial stomach, the hyrax poses no unusual osmotic or electrolyte concentrations when compared to man or other mammals.
(13) The findings showed the two-point RPEe was as efficient as the Hyrax in obtaining dental expansion of the maxillary posterior teeth with less effect on the maxillary anterior and mandibular teeth.
(14) This study uses a comparative approach to evaluate the role of footpad sweating on increasing friction, utilizing a variety of mammals which possess sweat glands on their footpads (rat, tenrec, hyrax, and dog).
(15) Restriction-fragment-length polymorphisms in mitochondrial DNA (mtDNA) were used to evaluate geographic population genetic structure in the rock hyrax, Procavia capensis, a species which occurs widely, though restricted to rocky habitat, throughout South Africa.
(16) Evidence of an annual testicular cycle contradicted the prevalent belief that equatorial hyrax breed all year and suggested that the testicular cycle is a conservative element of hyracoid reproductive strategy.
(17) For cutaneous leishmaniasis caused by Leishmania aethiopica, the hyrax and the giant rat are the proven reservoirs of the disease while several species of rodents have been demonstrated to harbor L. major.
(18) The following species were represented: red kangaroo, common tree shrew, Senegal-Galago, Demidoff's-Galago, brown howler monkey, woolly monkey, long-haired spider monkey, white-eared marmoset, chimpanzee, three-toed sloth, palm squirrel, red panda, fennec fox, tree hyrax and large-toothed hyrax.
(19) These results are a quantitative description of the coordination that exists during different feeding behaviors (ingestion, intraoral transport, mastication, and swallowing) in normal, freely functioning hyraxes.
(20) Sulci are reliable landmarks demarcating boundaries of SI in hyrax as they are in other mammals.
Mammal
Definition:
(n.) One of the Mammalia.
Example Sentences:
(1) The high amino acid levels in the cells suggest that these cells act as inter-organ transporters and reservoirs of amino acids, they have a different role in their handling and metabolism from those of mammals.
(2) Ernst Reissner studied the formation of the inner ear initially using the embryos of fowls, then the embryos of mammals, mainly cows and pigs, and to a less extent the embryos of man.
(3) The binaural characteristics of cells in MSO were different from those in nonecholocating mammals.
(4) The findings support our earlier suggestion that the kinetics of spermatogenesis in the quail are fundamentally similar to the pattern which has been described for mammals.
(5) So far, attempts to produce linolenic acid deficiency in mammals have not revealed an absolute requirement for n-3 fatty acids.
(6) Somewhat surprisingly then, in view of the mechanisms in mammals, birds do not seem to use this seasonal message in the photoperiodic control of reproduction.
(7) This indicates a functional relationship between material supplied via the rapid phase of axonal transport and an unimpaired transsynaptic signal transmission, previously not revealed in the central nervous system of mammals.
(8) Nucleus z in the rat was found to be similar in location to nucleus z in other mammals.
(9) Phyla as diverse as insects, birds, and mammals possess distinct HRAS and KRAS sequences, suggesting that these genes are essential to metazoa.
(10) The presence in lamprey kidney of a loop which is similar to Henle's loop in mammals and birds indicates that the development of the system of osmotic concentration conditioned by the formation in the kidney of the medulla and from a sharp increase in renal arterial blood supply.
(11) Investigations carried out in Pavlodar Province have shown that 7 species of ixodid ticks, Ixodes crenulatus, I. lividus, I. persulcatus, I. laguri laguri, Dermacentor marginatus, D. reticulatus, Haemaphysalis concinna, and one brought species, Hyalomma asiaticum, parasitize domestic animals and wild mammals.
(12) Ecologic studies of small mammals in Rocky Mountain National Park (RMNP) were conducted in 1974 in order to identify the specific habitats within the Lower Montane Forest that support Colorado tick fever (CTF) virus.
(13) Dictated by underlying physicochemical constraints, deceived at times by the lulling tones of the siren entropy, and constantly vulnerable to the vagaries of other more pervasive forms of biological networking and information transfer encoded in the genes of virus and invading microorganisms, protein biorecognition in higher life forms, and particularly in mammals, represents the finely tuned molecular avenues for the genome to transfer its information to the next generation.
(14) It encodes a homeobox gene closely related to the developmentally regulated homeotic genes of flies and mammals.
(15) Based on the fact that all hibernators, at their regulated minimal body temperature, display a uniform turnover rate, related to body weight, the hypothesis is developed that cold tolerance of mammals is generally limited by a common specific minimal metabolic rate, which larger organisms, because of their lower basal metabolism, already attain in less profound hypothermia.
(16) Based on morphological, virological, biochemical and molecular biological data, it is proposed that the presence of endogenous retrovirus particles in the placental cytotrophoblasts of many mammals is indicative of some beneficial action provided by the virus in relation to cell fusion, syncytiotrophoblast formation and the creation of the placenta.
(17) Thus, the possibility exists that androgen secretion in some chelonian systems may exhibit a high degree of LH specificity like that of mammals and birds.
(18) Chlorinated ethylenes are metabolized in mammals, as a first step, to epoxides.
(19) This agrees with previous ultrastructural observations that, in small mammals, neither basement membranes nor large connective tissue spaces are found inside enteric ganglia.
(20) In recent studies, we have found that Gal alpha 1----3Gal beta 1----4GlcNAc residues are abundant on red cells and nucleated cells of nonprimate mammals, prosimians, and New World monkeys, but their expression is diminished in Old World monkeys, apes, and humans.