(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.
Tod
Definition:
(n.) A bush; a thick shrub; a bushy clump.
(n.) An old weight used in weighing wool, being usually twenty-eight pounds.
(n.) A fox; -- probably so named from its bushy tail.
(v. t. & i.) To weigh; to yield in tods.
Example Sentences:
(1) The relative amounts of stable bonds formed by TOD and human serum albumin and TOD and gamma-globulin varied inversely with the concentration of the proteins.
(2) A field trial of oral therapy for acute diarrhea in children is called for tod etermine the extent of effects on nutrition and mortality, as well as to indicate some of the cultural and logistical problems which remain to be solved.
(3) TOD measurements corresponding to MR lesions were higher than noncancerous tissue measurements in all cases (P less than .005).
(4) In this retrospective study we aimed to identify from 50 outpatient (OP) mild hypertensives without clinical evidence of target organ damage (TOD), a group with unsustained hypertension in order to see whether they had less echocardiographic TOD than patients with sustained hypertension.
(5) "Wir und der Tod", a pre-stage of the second part of Freud's paper "Zeitgemässes über Krieg und Tod" (1915), is the only preserved text of his lectures held in the "Wien" lodge of B'nai B'rith.
(6) TOD was used as an indicator of the degree of tissue compactness or openness.
(7) The greatest amount of lipids in the cellular elements of the granulation tissue was revealed on the 3d day of the experiment, total optic density (TOD) of lipids in leucocytes was 0.83, TOD in histiocytes--0.6.
(8) It is concluded that the differences in energy metabolism, which have been implicated as explanation for the different susceptibility to develop stress lesions by Menguy and Masters, cannot be attributed tod different degrees of ischemia.
(9) In conclusion, stress BP does not increase the strength of relationship with TOD compared to resting BP.
(10) In the pH region from 5.5 to 7.5, the CD spectra of Tod protein with intact interchain disulfide bond (L(SS)) and and CL did not change with pH, while the spectra of Tod protein in which the interchain disulfide bond had been reduced and alkylated (L(RA)) and VL did not change with pH.
(11) variabilities) for systolic, mean and diastolic BP obtained by computer analysis of the BP tracing were related to the rate and severity of target-organ damage (TOD) assessed by clinical examination and quantified according to a predetermined score.
(12) On average, the "drum location" fell 1 mm medial to the TOD.
(13) "Perhaps Irene puts it best – she certainly puts it most often – when she tells Tod that he has no soul."
(14) Tod determine whether changes in unsaturation of fatty acids in rat liver plasma membranes might alter activities of membrane-associated enzymes, liver plasma membranes were prepared from rats fed purified diets lacking or supplemented with essential fatty acids.
(15) In subsequent days phospholipid contents continued decreasing and by the 30th day their TOD was 0.2.
(16) Tod likes to go to church, perhaps, the narrator guesses, because he needs "the forgiving look you get from everybody on the way in".
(17) On average, for frequencies below 6 kHz, the measuring probe tube had to be placed within 8 mm of the vertical plane containing the top of the eardrum (TOD), determined optically, in order to obtain sound pressure magnitudes within 6 dB of "eardrum pressure."
(18) The lifeless lunar surface (“tod” is German for “dead”) is bare but for heaps of building material and the wooden deck of a ski bar which lies marooned amid the scree.
(19) The circular dichroic (CD) spectra of a type lambda Bence Jones protein (Tod), its variable (VL) fragment, and the constant (CL) fragment of a type lambda protein (Nag) were measured under various conditions.
(20) Cardiovascular reactivity differs according to the laboratory stimulus employed and an exaggerated BP rise during stress testing is not associated with an increased rate of TOD.