(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.
Nest
Definition:
(n.) The bed or receptacle prepared by a fowl for holding her eggs and for hatching and rearing her young.
(n.) Hence: the place in which the eggs of other animals, as insects, turtles, etc., are laid and hatched; a snug place in which young animals are reared.
(n.) A snug, comfortable, or cozy residence or situation; a retreat, or place of habitual resort; hence, those who occupy a nest, frequent a haunt, or are associated in the same pursuit; as, a nest of traitors; a nest of bugs.
(n.) An aggregated mass of any ore or mineral, in an isolated state, within a rock.
(n.) A collection of boxes, cases, or the like, of graduated size, each put within the one next larger.
(n.) A compact group of pulleys, gears, springs, etc., working together or collectively.
(v. i.) To build and occupy a nest.
(v. t.) To put into a nest; to form a nest for.
Example Sentences:
(1) Unlike most birds of prey, which are territorial and fight each other over nesting and hunting grounds, the hen harrier nests close to other harriers.
(2) Although selenium deficiency in livestock is consequently now rare in Oregon, selenium-deficient soils and attendant selenium deficiency conditions have been reported near the Kesterson Wildlife Refuge in the Northern part of the San Joaquin Valley, California, where, paradoxically, selenium toxicity in wildfowl, nesting near evaporation ponds, occurred and attracted wide attention.
(3) The nested gene is oriented in a direction opposite to that of factor VIII and contains no intervening sequences.
(4) The experiment had a 2 x 2 factorial arrangement of treatments with two nest holding times and two storage methods.
(5) Hens of the same breed and age reared together on deep litter showed no differences in nest site selection and nesting behaviour regardless of whether they had previously been housed in a deep litter house or in cages.
(6) Specific kinds of maternal behaviour such as nesting, retrieving, grooming and exploring, are seen in non-human mammalian mothers immediately before, during and after delivery.
(7) We conclude that both proprioceptive feedback and audio-feedback must be involved to yield maximal stimulation of follicular growth by the female's nest-coo display.
(8) Prolactin secretion was stimulated less in incubating hens deprived of their nests for 24 h (nest-deprived) than in laying hens after administration of the 5-HT receptor agonist quipazine, or precursor 5-hydroxytryptophan.
(9) Four mechanisms for the formation of ectopic meningioma have been suggested: (a) direct extension of an intracranial lesion; (b) distant metastasis from an intracranial meningioma; (c) origin from arachnoid cells within the sheaths of cranial nerves; and (d) origin from embryonic nests of arachnoid cells.
(10) After the relatively abrupt start of intensive nest-building, the seasonal course of a pair's behavior becomes more regular, an indication that this transition in the female's state is critical in pacing the pair's breeding activities.
(11) These centers will collaborate in a nested-case control study based on the pooled cases and a sample of the non-diseased respondents.
(12) Spencer has now heard that Andy, who got the boat remember, has been cracking on to Louise, even though Jamie warned him it would be like jumping into a polar bear's nest.
(13) Hens from both strains performed vacuum nest-building behaviour before laying.
(14) These are collected in her pollen baskets which she takes back to the nest to feed the young after fertilising the flowers.
(15) The marked differences in the lipolytic activities of adipose tissue emphasize the distinct influence of the post-natal nutrition on metabolic functions in the later life and lead to the conclusion that the metabolism of adipose tissue of animals from small nests is directed towards a long-term increased storage of lipids.
(16) The most consistently sensational evidence from Icac has been around former Labor member Eddie Obeid and the influence he wielded in the NSW Labor government to feather his own nest.
(17) After 48 h of nest deprivation, the hens resumed nesting within 5 min of being returned to the pen although the plasma levels of Prl were low.
(18) Although distortion by competing risks is well-recognized in follow-up studies, the problem has not been as widely appreciated in nested case-control studies.
(19) We test first for confounded effects by examining socioeconomic effects while excluding and then including reproductive variables in nested multivariate models.
(20) The bird's nest inferior vena cava filter, in clinical trial since 1982, has been placed in 568 patients at risk for pulmonary embolism.