(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.
Pad
Definition:
(n.) A footpath; a road.
(n.) An easy-paced horse; a padnag.
(n.) A robber that infests the road on foot; a highwayman; -- usually called a footpad.
(n.) The act of robbing on the highway.
(v. t.) To travel upon foot; to tread.
(v. i.) To travel heavily or slowly.
(v. i.) To rob on foot.
(v. i.) To wear a path by walking.
(n.) A soft, or small, cushion; a mass of anything soft; stuffing.
(n.) A kind of cushion for writing upon, or for blotting; esp., one formed of many flat sheets of writing paper, or layers of blotting paper; a block of paper.
(n.) A cushion used as a saddle without a tree or frame.
(n.) A stuffed guard or protection; esp., one worn on the legs of horses to prevent bruising.
(n.) A cushionlike thickening of the skin one the under side of the toes of animals.
(n.) A floating leaf of a water lily or similar plant.
(n.) A soft bag or cushion to relieve pressure, support a part, etc.
(n.) A piece of timber fixed on a beam to fit the curve of the deck.
(n.) A measure for fish; as, sixty mackerel go to a pad; a basket of soles.
(v. t.) To stuff; to furnish with a pad or padding.
(v. t.) To imbue uniformly with a mordant; as, to pad cloth.
Example Sentences:
(1) We describe an enzymatic fluorometric method for determining glucose concentrations in blood samples by analysis on a semi-solid surface (silicone-rubber pads).
(2) Specific antisera prepared in rabbits or in foot-pad-inoculated chickens were adequate for culture typing.
(3) The remaining fat pad was used for calculations of cell numbers in the fat cell and connective tissue cell compartment.
(4) A peculiar emphasis is given to the microarchitecture and functional significance of longitudinal muscle columns as a prevalent structural component of branch pads.
(5) The superficial bacterial flora were sampled by velvet pad imprints, and the deep flora were determined from whole skin biopsies.
(6) Lymphocytes obtained from lymph nodes draining foot pads infected with R. conorii or R. akari demonstrated cross-reactivity similar to that found with immune spleen cells.
(7) It is suggested that this is due to the fact that the small animals have discrete, elevated volar pads.
(8) We present our results with 8 free transfers of the toe pulp and demonstrate the successful restoration of a well-padded and sensitive fingertip.
(9) Some foot-pad dermatitis was still observed in poults fed levels of methionine more than adequate to meet the requirements for optimum growth and feed efficiency.
(10) Minor amounts were deposited in liver, kidneys and epididymal fat pads.
(11) Moontain Hostel is a new pad for skiers on a budget, with dorm beds from just €20 and private rooms from €60.
(12) Human chorionic somatomammotropin extracted and purified from placenta at term was proved to have a lipolytic action in the epididymal fat pad of rats.
(13) Many pharmacy departments in Michigan hospitals can substantially improve their adherence to ASHP and OSHA recommendations related to PADs.
(14) A foot-pad oedema model was used to investigate the presence of free radicals using a chemiluminescence method.
(15) Therefore, the plantar forces acting under the metatarsal heads of the 1st, 2nd and 5th rays and under the pads of the 1st and 2nd toes were measured during walking, so that with the aid of anthropometric information pertaining to the forefoot, reaction forces in the flexor tendons and in the joints could be estimated.
(16) Infections of mice with Mycobacterium leprae in one rear foot pad immunized them against a second infection in the other rear foot pad.
(17) Incorporation of glucose into fat pad glycogen and CO2 was decreased.
(18) In vitro attempts to demonstrate local activated macrophages in the foot pads of M. leprae infected mice failed, but, because of the technical problems encountered, do not preclude their presence.
(19) We performed comprehensive electrophysiologic studies and skeletal muscle histologic analysis in six patients with unilateral PAD and five control subjects matched for age and activity level.
(20) The fat pads were stimulated with continuous-pulse trains for 15 seconds via a hand-held bipolar electrode using constant current (10-15 mA), constant pulse width (0.02-0.05 msec), and at 6.6, 10, 20, 25, and 30 Hz.