(n.) A small European insectivore (Erinaceus Europaeus), and other allied species of Asia and Africa, having the hair on the upper part of its body mixed with prickles or spines. It is able to roll itself into a ball so as to present the spines outwardly in every direction. It is nocturnal in its habits, feeding chiefly upon insects.
(n.) The Canadian porcupine.
(n.) A species of Medicago (M. intertexta), the pods of which are armed with short spines; -- popularly so called.
(n.) A form of dredging machine.
Example Sentences:
(1) Two principal classes of striatum long axonal neurons (sparsely ramified reticular cells and densely ramified dendritic cells) were analyzed quantitatively in four animal species: hedgehog, rabbit, dog and monkey.
(2) The effect of methallibure (ICI 33828) on spermatogenesis was studied in the gerbil, hedgehog, and mouse.
(3) Mesenteric lymph nodes were examined from five hedgehogs captured on the Berkshire Downs.
(4) We suggest that the contralateral projection nuclei to the MOB of the hedgehog, unusual in other mammals, and the large number of cells with axonal collaterals projecting to both hemispheres, may be a strategy in these animals to bilaterally integrate brain functions at the expense of its reduced corpus callosum.
(5) Scottish Natural Heritage is exterminating them in the Outer Hebrides not because there is a plague of hedgehogs there but to protect the nests of the wading birds whose eggs and chicks a few escaped pet hedgehogs having been eating.
(6) 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.
(7) In contrast, segmentation is essentially normal in l(1)armadillo, l(2)gooseberry, l(3)hedgehog, and l(1)fused embryos.
(8) However, the prolongation of the MAP at lower repolarization levels was much less in the hedgehog.
(9) John Byrom, a lazy, self-indulgent 18th-century versifier, had three black hedgehogs on his coat of arms.
(10) Forservices to the Rescue and Rehabilitation of Hedgehogs.
(11) Unlike any other animal in this country - except, perhaps, the mole, whose condition is, if anything, even more opaque, and just as likely to be following its own chute to oblivion - the hedgehog has always been a symbol and embodiment of something subtle and tender in the landscape.
(12) In a study of the elementary focus at Jarok, it was found that the frequency of antibodies was considerably higher in hedgehogs than in small rodents; this may be due to the longer life-cycle of the former, which makes the probability of reinfection greater.
(13) Only 11% of the 2,348 people who took part in the survey said they saw hedgehogs regularly in their gardens and 48% had never seen one.
(14) The histological structure of the testes and caput epididymidis of the hedgehog remains normal after 21 days of CdCl2 injection.
(15) The healing of the full-thickness skin wounds on the abdomen and the back of hedgehogs was investigated.
(16) We describe a study of the seasonal variations of hedgehog plasma lipids and lipoproteins and their correlation with changes in the activities of the thyroid and testis.
(17) Stories of hedgehog decline have been around for years, but only now is Bright completing the first statistically robust report on the drop in numbers.
(18) The granule cell islands in the olfactory tubercle (islands of Calleja) and the insula magna of Calleja are present in all species examined in this study: cat, rat, mouse, rabbit, hedgehog, monkey, man, and dolphin, displaying the same basic morphology.
(19) In animal homes and private care hibernating hedgehogs excreted larvae of Crenosoma striatum (23.5% and 21.0%, respectively), eggs of Capillaria species of the intestine (47.1% and 37.1%), and eggs of Capillaria aerophila (7.1% and 19.4%), but oocysts of Isospora rastegaievae were found to be predominant (44.7% and 32.3%).
(20) It is presumed that leptospires of the serogroups Javanica, Australis, Icterohaemorrhagiae, transmitted by the shrew-mice, hedgehogs and rats by the sexual route, are by their origin "ancient" serogroups of leptospires while the serogroups of leptospires isolated from domestic animals, showing predominantly the alimentary route of transmission of infection in the focus, are representatives of the "younger" forms of the evolutional development of leptospires.
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.