(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.
Turtle
Definition:
(n.) The turtledove.
(n.) Any one of the numerous species of Testudinata, especially a sea turtle, or chelonian.
(n.) The curved plate in which the form is held in a type-revolving cylinder press.
Example Sentences:
(1) To test the hypothesis that reduced ATP production during anoxia was compensated partly by conserving energy through reduced ion leakage, the rate of K+ leakage was measured in normoxic and anoxic turtle brains in which Na(+)-K(+)-adenosinetriphosphatase was inhibited with ouabain.
(2) Similarity and difference of the nuclei investigated in the turtles with the thalamic anterior nuclei in lizards, with the anterior and intralaminar nuclei in Mammalia are discussed.
(3) Within two weeks of the inoculation, 42% of the turtles tested were positive for HBsAg, and their reciprocal titers as measured by reverse passive hemagglutination (RPHA) and enzyme linked immunoabsorbance assay (ELISA) ranged from 16 to 96.
(4) We have used these anatomical studies on Pseudemys and Mauremys retina to form a catalogue of neural types for the turtle retina in general.
(5) Na+-K+-ATPase activities are 2- to 2.5-fold higher in rat than in turtle brains.
(6) The male is intermediate between the female and the ancestral condition observed in other turtle species.
(7) Sequence identities of sea turtle GH to other species of GH are 89% with chicken GH, 79% with rat GH, 68% with blue shark GH, 58% with eel GH, 59% with human GH, and 40% with a teleostean GH such as chum salmon.
(8) Animals were permitted 3-8 days to come to a new steady-state body temperature (Tb) which ranged 5-32 degrees C. Least squares regression equation for pHi data are: frog blood, 8.184-0.0206 Tb; frog striated muscle, 7.275-0.0152 Tb; turtle blood, 8.092-0.0207Tb; turtle muscle, 7.421-0.0186 Tb; turtle heart, 7.452-0.0122 Tb; turtle liver, 7.753-0.0233 Tb; turtle esophageal smooth muscle, 7.513-0.0141 Tb.
(9) We replicated DNA fingerprints of snapping turtles (Chelydra serpentina) and hypervariable restriction fragments of red-winged blackbirds (Agelaius phoeniceus) to estimate the between-blot and between-lane components of variance in molecular weights of restriction fragments.
(10) With the onset of anoxia, the well-documented rapid increases in GABA found in mammalian brains were not observed in the turtle brain.
(11) Colonic tissue from the turtle (Pseudemys scripta) was exposed in a Ussing chamber to simultaneously applied static and time-varying magnetic fields.
(12) Responses to monochromatic flashes were recorded intracellularly from double cones in the retina of the turtle, Pseudemys scripta elegans.
(13) Applications to turtle (Pseudemys scripta) striated muscle are also explored.
(14) A preparation of turtle (Chrysemys picta and Pseudemys scripta) brain in which the integrity of the intracortical and geniculocortical pathways in visual cortex are maintained in vitro has been used to differentiate the excitatory amino acid (EAA) receptor subtypes involved in geniculocortical and intracortical synapses.
(15) Transducer currents were recorded in turtle cochlear hair cells during mechanical stimulation of the hair bundle.
(16) In this investigation the effects of aldosterone on H+ transport are examined in vitro in turtle bladder, a urinary membrane in which several of the factors controlling H+ transport have been defined.
(17) Particularly notable is the evidence of hemoglobin D: this hemoglobin (alpha D2 beta II2) is found only in birds, and in two cases in turtles.
(18) We conclude that there is homeostasis of K, Ca, and Mg in the extracellular fluids of normoxic turtle brain, as in other vertebrates, but that this homeostasis fails during long-term anoxia.
(19) In contrast, adult turtles had very low Cytox activity throughout the central nervous system.
(20) The general conclusions drawn from these studies is that renin secretion in this primitive vertebrate is similar to that in mammals with respect to renal tubular and electrolyte mechanisms, but unlike all mammals tested these turtles do not possess an intrarenal baroreceptor component in renin control.