(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.
Pet
Definition:
(n.) A cade lamb; a lamb brought up by hand.
(n.) Any person or animal especially cherished and indulged; a fondling; a darling; often, a favorite child.
(n.) A slight fit of peevishness or fretfulness.
(a.) Petted; indulged; admired; cherished; as, a pet child; a pet lamb; a pet theory.
(v. t.) To treat as a pet; to fondle; to indulge; as, she was petted and spoiled.
(v. i.) To be a pet.
Example Sentences:
(1) In cases with unilateral hypoperfusion, the percentage of the activity in the lesion to that in the contralateral normal cortex on the early SPECT was correlated well with that on CBF measured by PET (r = 0.870, p less than 0.001).
(2) However, localizing a functional region with PET has been severely limited by the poor resolving properties of PET devices.
(3) The PET studies suggest dysfunction of the prefrontal cortex as a result of damage to the lentiform nuclei.
(4) If the PET measurement is commenced prior to arteriovenous equilibrium, significant errors occur in calculated CBV.
(5) Single photon emission computed tomography (SPECT) and positron emission tomography (PET) are now being used to improve the information available from radioisotopic imaging of patients with cancer.
(6) The muscarinic receptor agonist carbachol had no significant effects on [3H]PEt and [3H]IP formation in nontransfected HEK cells.
(7) Appropriate corrections for atrophy should be employed if current PET scanners are to accurately measure actual brain tissue metabolism in various pathologic states.
(8) Using a 1-stage random-digit dial telephone survey, we estimated the number of pet dogs and cats and cancer case ascertainment in the principal catchment area of an animal tumor registry in Indiana, the Purdue Comparative Oncology Program (PCOP).
(9) Such information could be most useful for in vivo receptor visualization studies using positron emission tomography (PET) scanning.
(10) Half the adolescents completed the child maltreatment instrument first, while the rest completed the pet maltreatment instrument.
(11) In this study, PET images were obtained using [18F]-labeled fluorodeoxyglucose, a marker for glucose metabolism.
(12) The global black market in animal and plants, sold as food, traditional medicines and exotic pets, is worth billions and sees an estimated 350 million specimens traded every year.
(13) The distribution of 1-11C-acetoacetic acid after injection into adult Wistar rats and cats was investigated by PET.
(14) If we start letting movie stars – even though they’ve been the sexiest man alive twice – to come into our nation (with pets), then why don’t we just break the laws for everybody?” Joyce said at the time.
(15) We have developed a method that allows two sets of regional cerebral metabolic rates of glucose (rCMRglc) to be obtained in a single extended procedure using positron emission tomography (PET) and [18F]fluorodeoxyglucose (FDG).
(16) Metabolic PET studies also give insight into pathophysiologic mechanisms of epilepsy.
(17) In view of the number of PET studies involving low count rate acquisitions, there has been increasing interest recently in the development of positron cameras capable of fully three-dimensional acquisition and reconstruction.
(18) We performed dynamic positron emission tomographic (PET) studies of glucose utilization, using (18F) 2-fluoro-2-deoxy-D-glucose (FDG), in patients with probable Alzheimer's disease (AD) and healthy age-matched controls, to evaluate blood-brain-barrier glucose transport and glucose utilization rates in the disease.
(19) We used a 11C-glucose method for positron emission tomography (PET) while estimating cerebral glucose metabolism during human sleep with polysomnography (PSG).
(20) His mother is Denise Welch, late of Corrie and Loose Women, and his father his Tim Healy, who was briefly famous 30 years ago for his role in Auf Wiedersehen, Pet.