(n.) A quadruped of the genus Canis, esp. the domestic dog (C. familiaris).
(n.) A mean, worthless fellow; a wretch.
(n.) A fellow; -- used humorously or contemptuously; as, a sly dog; a lazy dog.
(n.) One of the two constellations, Canis Major and Canis Minor, or the Greater Dog and the Lesser Dog. Canis Major contains the Dog Star (Sirius).
(n.) An iron for holding wood in a fireplace; a firedog; an andiron.
(n.) A grappling iron, with a claw or claws, for fastening into wood or other heavy articles, for the purpose of raising or moving them.
(n.) An iron with fangs fastening a log in a saw pit, or on the carriage of a sawmill.
(n.) A piece in machinery acting as a catch or clutch; especially, the carrier of a lathe, also, an adjustable stop to change motion, as in a machine tool.
(v. t.) To hunt or track like a hound; to follow insidiously or indefatigably; to chase with a dog or dogs; to worry, as if by dogs; to hound with importunity.
Example Sentences:
(1) We conclude that chronic emphysema produced in dogs by aerosol administration of papain results in elevated pulmonary artery pressure, which is characterized pathologically by medial hypertrophy of small pulmonary arteries.
(2) The combined immediate and delayed responses to fleas in the dog are as observed by other investigators in man and guinea pigs.
(3) In dogs, cibenzoline given i.v., had no effects on the slow response systems, probably because of sympathetic nervous system intervention since the class 4 effects of cibenzoline appeared after beta-adrenoceptor blockade.
(4) It was shown in experiments on four dogs by the conditioned method that the period of recovery of conditioned activity after one hour ether anaesthesia tested 7 to 7.5 days.
(5) Dialysis of dog plasma against an artificial c.s.f.
(6) For similar inotropic responses, normo- and hyperkalaemic dogs had similar levels of (Na+, K+)-ATPase inhibition and microsomal-bound digoxin.
(7) Complete heart block was produced in 20 of 20 dogs.
(8) The dog and the pig also have an endoperoxide-sensitive constrictor system activated by the 11,9-(epoxymethano) analogue of PGH2 and, of particular note, ICI 79939 and its 11-oxo analogue.
(9) All of this in the same tones of weary nonchalance you might use to stop the dog nosing around in the bin.
(10) One hundred and twelve dogs, including twenty C3-deficient dogs, were studied over a period of 6 years.
(11) From the present results it is concluded that secretion of extrapancreatic glucagon increased in response to arginine infusion in the diabetic state, both alloxan diabetic dogs and one-week post-pancreatectomized dogs.
(12) The effect of pO(2) was studied in a further nine dogs.
(13) The effects of tachycardia caused by ectopic right or left ventricular stimulation on ventricular recovery potentials were studied in 30 dogs.
(14) Stimulation with these electrodes were effective for inducing voiding with little residual volume after the recovery of bladder reflexes, 3 weeks after experimental spinal cord injury in the dog.
(15) A neodymium YAG (Nd:YAG) laser was evaluated in a dog ulcer model used in the same manner as is recommended for bleeding patients (power 55 W, divergence angle 4 degrees, with CO2 gas-jet assistance).
(16) Hollywood legend has it that, at the first Academy awards in 1929, Rin Tin Tin the dog won most votes for best actor.
(17) Liver bloodflow remained unchanged in AS dogs, but hepatic alanine uptake nearly tripled (p less than 0.01) and hepatic glucose production increased by 60% (p less than 0.05).
(18) Affected dogs were from ten breeds and their average age was eight years.
(19) Though three of these presumable metabolites could slightly inhibit the binding of [3H]-KW-3049, they were not detected in rat and dog plasma at 0.5 h after oral administration of KW-3049.
(20) Temelastine produces these species-specific changes by enhancing thyroxine clearance from the circulation in the rat, but not in the dog or mouse.
Hamster
Definition:
(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.