(n.) Any small jumping rodent of the genus Dipus, esp. D. Aegyptius, which is common in Egypt and the adjacent countries. The jerboas have very long hind legs and a long tail.
Example Sentences:
(1) The sexual differences and the seasonal variation in the vasoactive intestinal peptide (VIP) content of the suprachiasmatic nucleus (SCN) of a desert rodent, the jerboa (Jaculus orientalis) were studied using immunocytochemical techniques.
(2) The effect of lipolytic hormones (norepinephrine and glucagon) and antilipolytic hormone (insulin) on in vitro glycerol release by adipose tissue isolated from hibernating or euthermic jerboa has been studied.
(3) 22 species of fleas have been found on five species of jerboa in southern Pribalkhashje.
(4) The adrenal of the jerboa is characterized by absence of a compression and a juxta-medullary zone, as well as of a connective tissue layer between the cortex and medulla, availability of two different types of cells in the medulla which produce different catecholamines.
(5) The structural properties of skeletal muscle phosphofructokinase from euthermic and hibernating jerboa were compared.
(6) Plasma glucose, glycerol, free fatty acids and total lipid content of the white adipose tissue were measured in euthermic and hibernating jerboa.
(7) Of them 8 species are parasites of jerboa, 13 -- of gerbils and one -- of birds.
(8) Most abundant are three species of fleas of jerboa: M. lenis, M. eucta and O. volgensis.
(9) Jerboa labelled absorptive cells were located along the colonic mucosal surface.
(10) Seasonal variations in daytime pineal 5-methoxytryptophol (5-ML) and in the daily pattern of both pineal 5-ML and melatonin concentrations were measured by radioimmunoassay in male and female jerboas, Jaculus orientalis.
(11) Western blot experiments confirmed the presence of calbindin D28k in the adult pig intestine, in the jerboa colon and the absence of cross-reactivity between calbindin D28k antibody and calbindin D9k.
(12) We have described the presence of calbindin D28k-immunoreactivity in intestinal absorptive cells of pig and jerboa (Jaculus jaculus).
(13) Thankfully, there are enough silly baby animals in Life Story to refocus your attention, such as the jerboa, which jumps at every noise its huge ears detect.
(14) Of gerbils' fleas representatives of the genus Xenopsylla were dominant on jerboa.
(15) Chemical analysis of kidney tissue from jerboa (Jaculus orientalis) during hibernation shows that the cortico-papillary gradient of Na+ ions is strongly reduced, whereas that of urea is completely suppressed.
(16) When jerboas were adapted for several weeks to a hydrated diet and excreted a more diluted urine, Na-K-ATPase activity was altered in specific segments of the nephron: 1.
(17) Under study was the histological structure of the adrenal of the gopher Spermophilopsis leptodactylus L., jerboa Dipus sagitta Pall.
(18) The white adipose tissue from hibernating jerboa presented a higher sensitivity to norepinephrine and glucagon than that of euthermic jerboa; insulin did not modify either basal glycerol release or lipolysis induced by the two lipolytic hormones at low temperatures (7 degrees C) and during the rewarming (from 7 degrees C to 37 degrees C) of the tissue slices.
(19) Na-K-ATPase activity was measured in individual pieces of nephron microdissected from collagenase-treated kidneys of jerboas, Jaculus orientalis.
(20) Calbindin D28K was also observed in endocrine cells which were numerous in pig and goat duodenum and very rare in mouse and jerboa.
Rodent
Definition:
(v. t.) Gnawing; biting; corroding; (Med.) applied to a destructive variety of cancer or ulcer.
(v. t.) Gnawing.
(v. t.) Of or pertaining to the Rodentia.
(n.) One of the Rodentia.
Example Sentences:
(1) Intoxicating concentrations of ethanol also inhibit excitatory synaptic transmission mediated by N-methyl-D-aspartate receptors in hippocampal slices from adult rodents.
(2) This is the first clear example of activation of the K-ras gene by ethylating agents in a rodent lung tumor system.
(3) The relatively high incidence of nephroblastoma in the Nb rat using transplacentally administered ENU appears to represent a suitable basis for developing a rodent model of human nephroblastoma or Wilms' tumor.
(4) Male Sprague Dawley rats either trained (T, N = 9) for 11 wk on a rodent treadmill, remained sedentary, and were fed ad libitum (S, N = 8) or remained sedentary and were food restricted (pair fed, PF, N = 8) so that final body weights were similar to T. After training, T had significantly higher red gastrocnemius muscle citrate synthase activity compared with S and PF.
(5) This model of protective immunity in a Brugia-susceptible small rodent may provide a useful system for identification of molecularly defined filarial-protective immunogens.
(6) The receptor pattern observed in tumors does not support the hypothesis previously raised in the case of chemically induced colonic tumors in rodents.
(7) It is concluded that these rodent studies do not implicate any specific inhalational anesthetic agent in fetal toxicity, and that the effects of additional factors, such as stress, must be considered.
(8) In the course of routinely performed subchronic toxicity studies with laboratory rodents, functional neurotoxicity, i.e.
(9) Particularly striking is the distribution of CpG dinucleotides within human and rodent APRT genes.
(10) There was less of an increase following a blood meal infected with the rodent malaria parasite, Plasmodium berghei.
(11) An analysis of 54 protein sequences from humans and rodents (mice or rats), with the chicken as an outgroup, indicates that, from the common ancestor of primates and rodents, 35 of the proteins have evolved faster in the lineage to mouse or rat (rodent lineage) whereas only 12 proteins have evolved faster in the lineage to humans (human lineage).
(12) The differences in immunoreactivity between rodent and human amyloid plaques are consistent with other findings showing that cellular genes, not infectious purified prions, encode PrP.
(13) These products, as well as several synthetic intermediates, were evaluated for antifilarial activity against Molinema dessetae either in vivo in its natural host, the rodent Proechimys oris, or in vitro by a new test using cultures of the infective larvae.
(14) An increased neuronal activity was obtained by exercising the rats in a commercial rodent treadmill a couple of hours per day for 14 days.
(15) In a series of experiments we found that 1) growth rates of hamsters offered the Lyric diet alone or in conjunction with the standard rodent diet exceeded those of hamsters offered only the standard rodent diet.
(16) A model system of exfoliated normal human cervicovaginal squamous cells, exfoliated rodent tumor cells, and acellular, viscous, mucuslike material was used to investigate cell deposition on smear preparations made with three different instruments: plastic spatulas, wooden spatulas, and brush-tipped collectors.
(17) With repeated administrations, rodents become increasingly sensitive to the stimulant properties of amphetamine, a phenomenon termed sensitization.
(18) Although the overall rate of thymidine incorporation was lower than that for rodent cells, human hepatocytes were sensitive to lower concentrations of these growth factors, and the degree of stimulation was similar.
(19) Daily cocaine injection into rodents produces a progressive increase in the motor stimulant effect of acute cocaine administration.
(20) Since PEG-1000 treatment of HPRT- Chinese hamster cells in the absence of human cells yielded no HPRT+ cells, it is concluded that the element responsible for the restoration of rodent HPRT was contributed by the human cells and not by the agent employed to promote fusion.