(n.) A small European rodent (Cricetus frumentarius). It is remarkable for having a pouch on each side of the jaw, under the skin, and for its migrations.
Example Sentences:
(1) The microsomal preparations from untreated Syrian golden hamster livers exhibited higher activities of N-demethylation towards the macrolide antibiotics, erythromycin and troleandomycin, than those from untreated and phenobarbital-treated rats.
(2) Because cystine in medium was converted rapidly to cysteine and cysteinyl-NAC in the presence of NAC and given that cysteine has a higher affinity for uptake by EC than cystine, we conclude that the enhanced uptake of radioactivity was in the form of cysteine and at least part of the stimulatory effect of NAC on EC glutathione was due to a formation of cysteine by a mixed disulfide reaction of NAC with cystine similar to that previously reported for Chinese hamster ovarian cells (R. D. Issels et al.
(3) Although Jeggo's Chinese hamster ovary cells were more responsive to mAMSA, novo still abrogated mAMSA toxicity in the mutant cells as well as in the parental Chinese hamster ovary cells 2,4-Dinitrophenol acted similarly to novo with respect to mAMSA killing, but neither compound reduced the ATP content of V79 cells.
(4) The amino acid pools in Chinese hamster lung V79 cells were measured as a function of time during hyperthermic exposure at 40.5 degrees and 45.0 degrees C. Sixteen of the 20 protein amino acids were present in sufficient quantity to measure accurately.
(5) Both treatments depressed nocturnal pineal melatonin content in rats and hamsters.
(6) Stimulation of dopamine D2 receptors potentiates Ca2+ ionophore- or ATP-induced arachidonic acid (AA) release in D2 receptor cDNA-transfected Chinese hamster ovary (CHO) cells [CHO(D2)].
(7) Its metabolism was studied in the hamster in comparison with sodium 3 alpha, 7 alpha-dihydroxy-24-nor-5 beta-cholane-23-sulfonate and sodium taurochenodeoxycholate.
(8) In the first experiment ovariectomized female hamsters were administered varying dosages of progesterone (P), dihydrotestosterone (DHT) or CI-628 at the same time (concurrently) as estrogen (EB) or 48 hr after EB (sequentially).
(9) When an expression vector containing plasminogen cDNA is transfected into baby hamster kidney cells, the number of drug-resistant colonies as well as the levels of plasminogen secreted by those colonies is lower than observed in similar transfections of other protease precursor genes.
(10) These findings suggest that in hamsters (i) A and B antigens are tumor-related antigens; (ii) H, Le(b), Le(x) and Le(y) are oncofetal antigens; and (iii) fucosylation is an important event in cell differentiation.
(11) Cell recovery data for the hamster, rat, guinea pig, and rabbit were related to body size with the hamster having the lowest count and the rabbit the highest count.
(12) Fertilization of golden hamster eggs was blocked both in vitro and in vivo by antibodies produced in rabbits against specific hamster ovarian antigens (HOA).
(13) Chromosome aberrations were scored in BHK21 C13 Syrian hamster fibroblasts, exposed to 60Co gamma-rays, 250 kV X-rays, 15 MeV neutrons or neutrons of mean energy 2.1 MeV produced from the 9Be(d,n)10B reaction.
(14) After approximately 20 in vitro passages, Chinese hamster kidney (CHK) cell cultures transformed upon exposure to different strains of SV 40 can show a diploid modal chromosome number of 22 with chromosome counts exclusively or essentially in the diploid range (20-25).
(15) Stable mutants which are between 1.6- and 2.2-fold resistant to the microtubule inhibitor, nocodazole (NocR mutants) have been isolated in Chinese hamster ovary cells after a single-step selection.
(16) In the terminal segment of the hamster epididymidis there was some evidence of micro-merocrine protein secretion a the level of the principal cells and clear evidence of granular secretion in the light cells, presumable of glycoproteins.
(17) It was previously demonstrated that multidrug-resistant Chinese hamster cell lines contain an amplified, transcriptionally active DNA sequence designated mdr.
(18) Malignant melanoma of the conjunctival region was induced in the golden Syrian hamster.
(19) Furthermore, the animals did not increase their intake of sunflower seeds, a preferred diet for hamsters.
(20) Cheek pouches were removed from BIO 87.20 male hamsters 4 weeks, 8 months or 18 months of age.
Pouch
Definition:
(n.) A small bag; usually, a leathern bag; as, a pouch for money; a shot pouch; a mail pouch, etc.
(n.) That which is shaped like, or used as, a pouch
(n.) A protuberant belly; a paunch; -- so called in ridicule.
(n.) A sac or bag for carrying food or young; as, the cheek pouches of certain rodents, and the pouch of marsupials.
(n.) A cyst or sac containing fluid.
(n.) A silicle, or short pod, as of the shepherd's purse.
(n.) A bulkhead in the hold of a vessel, to prevent grain, etc., from shifting.
(v. t.) To put or take into a pouch.
(v. t.) To swallow; -- said of fowls.
(v. t.) To pout.
(v. t.) To pocket; to put up with.
Example Sentences:
(1) Five patients have been examined by defecography before and four after closure of a loop ileostomy performed to cover healing of the pouch and ileoanal anastomoses.
(2) Rats were injected subcutaneously with 10 ml of air into the dorsal skin to make an air-pouch and with 2 ml of antiserum at an appropriate dilution for passive sensitization, and then 5 ml of air was removed.
(3) In group III, multiple confluent ulcers were produced in the cheek pouch on one side, with a single ulcer in the contralateral cheek pouch; no drug was applied, and the tissues were prepared for histology.
(4) The question addressed by this study is whether patients with other pharyngeal pouch malformations could also have immunologic abnormalities.
(5) During sixty-six months, 145 Kock pouches were constructed: 79 for continent cutaneous diversion (44 men, 35 women), 54 bladder replacements by men, 12 ileo-rectal diversions (10 women, 2 men).
(6) Cheek pouches were removed from BIO 87.20 male hamsters 4 weeks, 8 months or 18 months of age.
(7) Acid and pepsin output from the denervated pouch in response to pentagastrin and food decreased significantly (P less than 0.001) after parenteral feeding and returned to control levels after the dogs resumed a normal diet.
(8) Type II had the anastomosis too high on the gastric pouch, type III was due to an obstructing marginal ulcer, and type IV had a pouchlike deformity develop in the upper jejunum at the anastomosis that gradually compressed the outflow tract.
(9) A series of 60 children whose urine was stored in pouches formed in whole or in part from bowel were reviewed to establish the effect on growth in height and weight.
(10) Injection of ovalbumin into subcutaneous air pouches prepared on the backs of rats previously sensitised to the antigen resulted in the induction of a small and transient accumulation of inflammatory fluid with a predominantly polymorph cell infiltrate.
(11) sp., from Chalcophaps i. indica, has three or four testes, and a cirrus pouch 93 to 108 mum long, 28 to 45 mum wide, and its egg capsules are 10 to 12 mum long, seven to nine mum wide, each containing four to six eggs.
(12) Theoretically, the low-pressure system afforded by the Kock pouch may be superior in long-term safety to that provided by reservoirs made from other bowel segments.
(13) Osteo-inductive activity of each protein fraction was determined by implantation in the quadriceps muscle pouch of mice.
(14) A study of 78 cases of gastrectomy in which two reconstruction procedures Roux-en-Y + pouch and interposition + pouch were compared and which is still in progress, yielded the following results: 1.
(15) Two of three noninoculated pouch mates acquired infections during the study based on examinations of feces and tissue sections of all eight opossums.
(16) In conclusion, functional results were satisfactory and quality of life was excellent after ileal pouch-anal anastomosis; neither deteriorated as patients aged over an 8-year period after operation.
(17) We present a computer-aided videodensitometric method for the determination of oxygen saturation in red blood cells flowing through capillaries of the hamster cheek pouch retractor muscle.
(18) The pouch was then removed and ex vivo measurements were repeated.
(19) As part of our investigation of the behaviour of suture materials, 3-0 sutures of polydioxanone and Maxon were enclosed in nylon pouches, a technique developed for in vivo experiments to prevent cellular interaction with implanted devices.
(20) Subcutaneous injection of sterile air in rodents results in the formation of an air pouch with a lining morphologically similar to synovium (Edwards et al., 1981).