(n.) An amphibious animal of the genus Rana and related genera, of many species. Frogs swim rapidly, and take long leaps on land. Many of the species utter loud notes in the springtime.
(n.) The triangular prominence of the hoof, in the middle of the sole of the foot of the horse, and other animals; the fourchette.
(n.) A supporting plate having raised ribs that form continuations of the rails, to guide the wheels where one track branches from another or crosses it.
(n.) An oblong cloak button, covered with netted thread, and fastening into a loop instead of a button hole.
(n.) The loop of the scabbard of a bayonet or sword.
(v. t.) To ornament or fasten (a coat, etc.) with trogs. See Frog, n., 4.
Example Sentences:
(1) A spindle cell sarcoma appeared 20 months after implantation of a pellet of 3-methylcholanthrene in the denervated foreleg of an adult frog, Rana pipiens.
(2) We have previously shown that serotonin is present in secretory granules of frog adrenochromaffin cells; concurrently, we have demonstrated that serotonin is a potent stimulator of corticosterone and aldosterone secretion by adrenocortical cells.
(3) The actions of the polyvalent cationic dye Ruthenium Red and the enzyme neuraminidase were studied at the frog neuromuscular junction.
(4) The purpose of our study was to determine the effect of HVPC on edema formation in frogs.
(5) The content of unsaturated fatty acids in walleye pollock PRM is 1.4 times greater than in frog PRM.
(6) The concentration dependences of response of frog tongue to D-fructose, D-glucose, and sucrose were almost the same, D-galactose, however, elicited a much larger response in comparison with the other sugars in the whole range of concentrations examined.
(7) Interpreted in term of compartmental analysis, these observations suggest that a) the frog skin epithelium contains 2 separated but communicating compartments having different degrees of accessibility from outside; b) only that compartment filling at a fast rate (0.5 min) is involved in the transepithelial Na transport; c) the other one, filling at a rate of 4 to 7 min, is resplenished only under conditions where the basal pump system has a reduced activity.
(8) The mechanisms underlying the three types of Cd effects on the frog skin were discussed in relation to the Na, K-ATPase activity.
(9) The addition of the Ca2+ ionophore A23187 (1 microM) to the inside solution of the frog skin resulted in an approx.
(10) At a concentration of 10 microM, tetraamine 4 did not affect histamine and 5-hydroxytryptamine receptors of guinea pig ileum or alpha-adrenoreceptors of guinea pig atria whereas it inhibited postsynaptic alpha-adrenoreceptors of rat vas deferens with a -log K value of 5.23 and nicotinic receptors of frog rectus abdominis with an IC50 value of 0.23 microM.
(11) The authors studied the effects of varying Na+ and Ca++ concentrations and of replacing H2O with D2O in Ringer's solution upon the actions of general and local anesthetics on isolated frog sciatic nerves.
(12) Antibiotics, X-537A and A23187, were added in micromolar concentrations to selected bathing solutions of skinned frog muscle fibers, and they were shown to affect the production of tension in the skinned fibers.
(13) The influence of stretch and radial compression on the width of mechanically skinned fibers from the semitendinosus muscle of the frog (R. pipiens) was examined in relaxing solutions with high-power light microscopy.
(14) The aim of this study was to determine the frequency of occurrence of the phenomenon in skin and muscle capillaries in both young and mature frogs and to examine the ultrastructure of endothelial cells found in these capillaries.
(15) At I = 0.2 M, pH 7, and 15 degrees C, the inhibition constants for rabbit myofibrils are 0.17, 3, and 5 mM, respectively; the values for frog myofibrils at 0 degrees C are very similar, being 0.22, 1.5, and 2.5 mM.
(16) A detailed comparison of the interaction of beta-adrenergic receptors with adenylate cyclase stimulation and modification of this interaction by guanine nucleotides has been made in two model systems, the frog and turkey erythrocyte.
(17) Of these 34 antibodies, 33 recognized the rat receptor and 1 was shown to precipitate the receptors from mice, chickens, and frogs with high affinity.
(18) Such a heterogeneity in DNA content in the diploid part of HPR cell population could apparently suggest some differences in the nuclear chromatin arrangement to be always higher in spring before the frog spawning, and it seems to be characteristic of this type of cells.
(19) Isolated frog retinas kept receptor side-upward in a moist chamber without perfusion showed the well-known slow PIII generated by the potassium decrease around receptors.
(20) We now report that two synthetic diacylglycerols (DAG) replicate the stimulatory and inhibitory effects of TPA on frog skin.
Mist
Definition:
(n.) Visible watery vapor suspended in the atmosphere, at or near the surface of the earth; fog.
(n.) Coarse, watery vapor, floating or falling in visible particles, approaching the form of rain; as, Scotch mist.
(n.) Hence, anything which dims or darkens, and obscures or intercepts vision.
(v. t.) To cloud; to cover with mist; to dim.
(v. i.) To rain in very fine drops; as, it mists.
Example Sentences:
(1) It was an artwork that fired the imaginations of 2 million visitors who played with, were provoked by and plunged themselves into the curious atmosphere of The Weather Project , with its swirling mist and gigantic mirrors that covered the hall's ceiling.
(2) Follow-up of a cohort of 1,165 steelworkers exposed to acid mists has been extended from 1981 to early 1986 for most cohort members, and information on smoking has also been collected.
(3) The sensitivity and specificity of cold air, ultrasonically nebulized distilled water mist (USM), and standard methacholine (MCH) challenges were studied in 21 children with asthma (mean age 11.5 years) and 12 normal children (mean age 14.2 years).
(4) Physicians and investigators should be aware of the striking effects of this compound, now widely used as a street drug "angel's mist" of "angel's dust", on neurophysiological functions.
(5) Migraine is the commonest form among the so-called primary headaches and the description of its clinical picture is lost in the mists of time.
(6) It appears that aerosol and mist treatments designed as epidemic control measures can be adapted to long-term preventive control of A. aegypti.
(7) Calves were exposed twice to aerosol mists of viable P haemolytica, using a treatment regimen previously shown to induce a resistant state.
(8) The patient herself associated the respiratory disease with a cool-mist humidifier sometimes used at work.
(9) Pregnant Myotis lucifugus were captured in mist nets set outside a large maternity colony and, in most cases, were examined 12-15 hours later.
(10) It is the England that then prime minister John Major vowed would never vanish in a famous 1993 speech: “Long shadows on county grounds, warm beer, invincible green suburbs, dog lovers and pools fillers and – as George Orwell said – ‘old maids bicycling to holy communion through the morning mist’.” Major was mining Orwell’s wartime essay The Lion and the Unicorn, whose tone was one of reassurance – the national culture will survive, despite everything: “The gentleness, the hypocrisy, the thoughtlessness, the reverence for law and the hatred of uniforms will remain, along with the suet puddings and the misty skies.” Orwell and Major were both asserting the strength of a national culture at times when Britishness – for both men basically Englishness – was felt to be under threat from outside dangers (war, integration into Europe).
(11) For long periods of life he travelled in the mist of depression.
(12) In adult men the left half of the head was covered with thick heat insulation, and the right hemiface was cooled by spraying a mist of water, and vigorous fanning.
(13) At one point, he and his fellow militias set up base in Virunga national park, famed for its gorillas in the mist , where they survived by eating monkeys and sometimes even elephants.
(14) Wilmshurst's remarks concerned a trial which he himself designed, called MIST, to find out whether closing small holes in the heart with one of NMT's medical devices could stop migraines – there is evidence of a link.
(15) Secondly, these patients' anecdotal experiences are entirely misleading: the MIST trial was negative (though I can find no mention of the MIST trial's final results anywhere on the NMT site, which is odd, because it's the only published trial I'm aware of that tests whether NMT's device prevents migraine).
(16) Data collected on various types of filters (dust and mist; dust, fume, and mist; paint, lacquer, and enamel mist; and high efficiency) challenged with a worst case-type sodium chloride (NaCl) and dioctyl phthalate (DOP) aerosol are presented.
(17) How many other "invisible" stories are out there, shrouded by thick legal mist?
(18) The lens was adhered to the eye for 35 min by periodically misting the eye with distilled water; during this time the records of eye position showed that the lens remained firmly attached to the eye.
(19) In conclusion, the finding that adenomas and adenocarcinomas were observed in mice exposed to chromic acid mist suggests the need to give careful attention to the possibility of respiratory cancers in chromium electroplating workers.
(20) Snare describes the portrait quite clearly: the young Charles with his large liquid eyes and pale face, appearing in three-quarter view without rigidity or outline, the painting as airy as mist (and the prince too young for Van Dyck, who only portrayed Charles in his 30s).