(v. i.) Any one of numerous species of small rodents belonging to the genus Sciurus and several allied genera of the family Sciuridae. Squirrels generally have a bushy tail, large erect ears, and strong hind legs. They are commonly arboreal in their habits, but many species live in burrows.
(v. i.) One of the small rollers of a carding machine which work with the large cylinder.
Example Sentences:
(1) One thousand nineteen Wyoming ground squirrels (Spermophilus elegans elegans) from 4 populations in southern Wyoming were examined for intestinal parasites.
(2) Recordings were made from secondary vestibular axons in the medial longitudinal fasciculus (MLF) of barbiturate-anesthetized squirrel monkeys.
(3) Squirrel monkeys trained to respond under a schedule in which each response postponed the delivery of electric shock developed a steady rate of responding.
(4) An isolated colony of red squirrels at Formby , Merseyside, were decimated by an outbreak of squirrelpox in 2008 , which saw the population crash by 85% to less than 200 squirrels.
(5) When the position and size of injection sites were compared to distribution of retrogradely labeled olivary somata, it was clear that zones A, B, C1, C2, C3 and D were present in lobules IV and V of squirrel monkey.
(6) Noninvasive temperature measurements in live squirrel monkeys under similar exposure conditions were obtained using Vitek probes.
(7) We have compared the ability of drugs to induce chewing and retching or emesis in squirrel monkeys; such studies are not possible in rodents, which do not vomit.
(8) Serum glucose values were significantly higher in the diabetic ground squirrels than in the non-diabetic ground squirrels, while serum insulin values of fasted diabetic squirrels were significantly lower than fasted nondiabetic ground squirrels.
(9) I have had the awe-inducing pleasure of standing alone among the giant trees, both sequoias and redwoods, and hearing nothing but the chatter of the squirrels and the high wind in the tallest branches.
(10) Both drugs increased fixed interval responding in squirrel monkeys; MA was more efficacious than NNDMA.
(11) The present experimental results in squirrel monkeys contradict the previously reported high incidence of ear cartilage regeneration in young rabbits and may reflect a difference in surgical technique, animal species, or animal age.
(12) A viral agent was isolated from ground squirrel primary kidney cultures which presented a spontaneous cell layer alteration.
(13) Signing a "squirrel accord" after meetings at one of his stately homes, the prince reaffirmed his desire to drive grey squirrels out of the UK in order to save our "much loved" native red squirrels .
(14) Squirrel monkeys controlled the air temperature within their test chamber by pulling a chain to select between two preset air temperatures, 10 and 50 degrees C. When the force required to pull the chain was increased in steps from 2.94 to 6.86 N, interresponse interval increased, resulting in wider air temperature swings within the chamber.
(15) In areas where there are lots of pine martens, there are lots of red squirrels," she said.
(16) The first way in which SmI of squirrels differs from the organization reported for other mammals is that SmI of squirrels contains a double representation of the hand and parts of the forearm.
(17) In order to determine the most suitable cage environment for the squirrel monkey, a series of studies were carried out to compare various perch materials and cage configurations.
(18) Tumors developed in seven squirrels after a minimum of 2.4 years of observation per animal; each of the seven animals was over 4 years old when the tumor was detected.
(19) The possible mechanisms in regulation of the respiration rate of mitochondria from liver of hibernating ground squirrels have been investigated.
(20) In this study, human, squirrel monkey, and cat temporal bone sections were examined by light microscopy for the presence of glomus bodies, and the anatomy and distribution of glomus bodies in the temporal bone is described.
Woodchuck
Definition:
(n.) A common large North American marmot (Arctomys monax). It is usually reddish brown, more or less grizzled with gray. It makes extensive burrows, and is often injurious to growing crops. Called also ground hog.
(n.) The yaffle, or green woodpecker.
Example Sentences:
(1) In contrast to human hepatitis B core antigen, woodchuck hepatitis virus core antigen was observed only in the cytoplasm of hepatocytes, but not in the nuclei.
(2) Retrospective analysis of necropsy findings of 705 woodchucks was performed to determine the prevalence and morphology of immune-mediated glomerulonephritis, its relationship to woodchuck hepatitis virus (WHV) infection, and the presence of major WHV antigens.
(3) The transcription of woodchuck hepatitis virus (WHV) genome was studied in the liver of chronically infected woodchucks by Northern blot, nuclease mapping and primer extension analysis.
(4) Ten milligrams of lyophilized plasma albumin fractions from hibernating ground squirrels, woodchucks, black bears, and polar bears produced similar inhibition, with partial reversal by naloxone.
(5) Excluding the tubular lumen, the Sertoli cell occupied from a high of 43.1% (woodchuck) to a low of 14.0% (mouse) of the tubular epithelium.
(6) A soy protein-based experimental diet for woodchucks (Marmota monax) is described.
(7) Integration of woodchuck hepatitis virus DNA was demonstrated by Southern blot analysis, although the secretion of woodchuck hepatitis surface antigen was not detected.
(8) The annual profile of serum levels of progesterone (P) and estradiol-17 beta (E2) was characterized in a seasonally breeding rodent, the woodchuck (Marmota monax).
(9) Microfilariae of Ackertia marmotae in blood or dermis were most commonly observed in trapped woodchucks.
(10) Livers from 128 captive woodchucks (Marmota monax) that were negative for serological markers of woodchuck hepatitis virus (WHV) were examined grossly and histologically.
(11) Ninety-eight to 100% of the AFP from normal, WHV-free woodchucks with physiologic AFP elevations and from WHV-carrier woodchucks with HCC bound to concanavalin A, indicating that virtually all of the AFP was glycosylated.
(12) Both monoclonal antibodies (MAbs) recognized the major HDAg polypeptides of 24 kilodaltons and 27 kilodaltons that were previously detected by polyclonal antibodies to HDAg in both liver and serum from HDV-infected humans, chimpanzees, and woodchucks.
(13) To assess the role of immunization against hepatitis delta antigen in the prevention of hepatitis delta virus infection, woodchuck carriers of woodchuck hepatitis virus were immunized with a 64 amino acid portion of hepatitis delta antigen from its N-terminal region.
(14) The woodchucks were divided into two groups according to the morphological classification of multifocal tumors: 1) three woodchucks had multifocal tumors that were widely separated and similar in size, which suggests a multiclonal origin of the tumors; and 2) one woodchuck had ten small multifocal tumors surrounding two large main tumors, which indicated intrahepatic metastasis from an original tumor.
(15) An 11-yr-old captive-raised male woodchuck (Marmota monax) presented with ataxia, poor balance, left-sided weakness, circling to the left and nystagmus with the fast-phase directed towards the left.
(16) The HCC developed in carrier woodchucks infected as newborns with only minor, if any, hepatitic changes but is associated with antigen-carrying hepatocytes and sometimes with hyperplastic nodules.
(17) Each of two woodchucks experimentally-inoculated with L. hardjo developed titers to L. hardjo.
(18) Congestive cardiomyopathy was diagnosed during post mortem examination in eight of 149 adult woodchucks from New York.
(19) The results also demonstrate that woodchuck HIT, like the bear HIT, did not act directly at opioid receptors.
(20) To discern the influence of viral and host factors on the kinetics of induction of HCC, we exploited the recent observation that ground squirrel hepatitis virus (GSHV) is infectious in woodchucks (C. Seeger, P. L. Marion, D. Ganem, and H. E. Varmus, J. Virol.