(n.) An instrument composed of bristles, or other like material, set in a suitable back or handle, as of wood, bone, or ivory, and used for various purposes, as in removing dust from clothes, laying on colors, etc. Brushes have different shapes and names according to their use; as, clothes brush, paint brush, tooth brush, etc.
(n.) The bushy tail of a fox.
(n.) A tuft of hair on the mandibles.
(n.) Branches of trees lopped off; brushwood.
(n.) A thicket of shrubs or small trees; the shrubs and small trees in a wood; underbrush.
(n.) A bundle of flexible wires or thin plates of metal, used to conduct an electrical current to or from the commutator of a dynamo, electric motor, or similar apparatus.
(n.) The act of brushing; as, to give one's clothes a brush; a rubbing or grazing with a quick motion; a light touch; as, we got a brush from the wheel as it passed.
(n.) A skirmish; a slight encounter; a shock or collision; as, to have a brush with an enemy.
(n.) A short contest, or trial, of speed.
(n.) To apply a brush to, according to its particular use; to rub, smooth, clean, paint, etc., with a brush.
(n.) To touch in passing, or to pass lightly over, as with a brush.
(n.) To remove or gather by brushing, or by an act like that of brushing, or by passing lightly over, as wind; -- commonly with off.
(v. i.) To move nimbly in haste; to move so lightly as scarcely to be perceived; as, to brush by.
Example Sentences:
(1) There was appreciable variation in toothbrush wear among subjects, some reducing their brush to a poor state in 2 weeks whereas with others the brush was rated as "good" after 10 weeks.
(2) These results indicate that both the renal brush-border and basolateral membranes possess the Na(+)-dependent dicarboxylate transport system with very similar properties but with different substrate affinity and transport capacity.
(3) The relationship between technique of obtaining Papanicolaou smears, presence of endocervical cells, and rate of cervical neoplasia was studied by comparing an endocervical and ectocervical nylon brush (Bayne brush), Ayre spatula plus endocervical brush, and spatula plus cotton-tipped swab in a randomized, prospective trial involving 11,061 patients.
(4) The teeth of 13 dental nurse students were brushed by a dental hygienist.
(5) All inhibitors had no effect on L-Ala uptake into brush-border membrane vesicles in presence of Na+ gradient.
(6) At 4 degrees C or after fixation, anti-renal tubular brush border vesicle (BBV) IgG bound diffusely to the surface of GEC and to coated pits.
(7) These results show that tunicamycin, an inhibitor of glycosylation, significantly affected the expression of brush border membrane glycoproteins, suggesting that both polypeptide synthesis and degradation of these proteins may be altered in the presence of this drug.
(8) From these results it is suggested that the lipid peroxidation of the brush-border membranes by addition of dithiothreitol plus Fe2+ is sensitively changed with change in ionic strength.
(9) Attach self-adhesive foam strips, or metal strips with brushes or wipers attached, to window, door and loft-hatch frames (if you have sash windows, it's better to ask a professional to do it).
(10) Vladimir Putin brushed off complaints of election fixing during his annual televised live chat with the nation on Thursday , but behind the scenes his lieutenants are anxiously plotting how to quell rising discontent.
(11) A model system of exfoliated normal human cervicovaginal squamous cells, exfoliated rodent tumor cells, and acellular, viscous, mucuslike material was used to investigate cell deposition on smear preparations made with three different instruments: plastic spatulas, wooden spatulas, and brush-tipped collectors.
(12) The aim of this study was to identify and purify the Na+-H+ exchanger from rabbit renal brush border membranes by use of affinity chromatography.
(13) The effect of zinc on sodium coupled glucose uptake was studied in pig intestinal brush border membrane vesicles.
(14) In purified jejunal brush-border membranes both alkaline phosphatase and sucrase activities are increased at 4 or 7 weeks but especially at 13 weeks of hypertension.
(15) The device was composed of a standard biopsy brush, protected by a single catheter and occluded with an agar plug.
(16) The method is based on brushing of copper surface with the studied paste in a device of own design, followed by chemical analysis of copper content in the mass after brushing.
(17) Plaque evaluations and brushing procedures were performed as in Visit 1 of the study.
(18) However, unlike rodent kidney, we were unable to detect a comparable HMWgp in extracts of human kidney on SDS-PA gels and found no cross-reactive material on Western blots of human brush border membrane proteins.
(19) The protein is localized in the brush border of primary and secondary epithelium.
(20) For now, Shimizu will not allow the children in her care to be interviewed and brushes off praise for her selflessness.
Upstroke
Definition:
(n.) An upward stroke, especially the stroke, or line, made by a writing instrument when moving upward, or from the body of the writer, or a line corresponding to the part of a letter thus made.
Example Sentences:
(1) Occasionally the average forces within an upstroke are greater than within a downstroke of the same sequence.
(2) The i(Na) is primarily responsible for the rapid upstroke of the action potential, while the other current components determine the configuration of the plateau of the action potential and the re-polarization phase.
(3) These two drugs did not affect the duration of AP (APD90), whereas maximum upstroke velocity (Vmax) decreased.
(4) The broadening reflected slowing of the repolarization, whereas the upstroke of the spike was unchanged.
(5) At shorter intervals the upstroke phase of the slow wave was greatly reduced or abolished.
(6) Phenytoin, at 50 to 200 micrograms reduced the maximum upstroke velocity of action potentials (Vmax) with increases in frequency from 0.25 to 5 Hz and in the external potassium concentration [( K+]0) from 2.7 to 8.1 mM.
(7) At 150 ATA membrane excitability was depressed and the maximum upstroke velocity (Vmax) of the action potential was reduced by 10%.
(8) All the drugs in these concentrations produced a concentration-dependent reduction of the maximum upstroke velocity (Vmax).
(9) In epicardium, the reduction of phase 0 and 1 amplitudes led to a slowing of the second action potential upstroke and an increase in the amplitude of phase 2.
(10) In addition, the delay time (required for pulse wave transmission to the neck) of the upstroke (DUEC) and incisura (DIEC) of the external carotid pulse tracing was studied.
(11) Outward K current through delayed-rectifier channels follows the upstroke without appreciable delay and lasts throughout the action potential.
(12) These compounds reduce the amplitude and duration of the plateau phase, but the upstroke phase of slow waves persists.
(13) In addition, the action potential height, maximal upstroke velocity, duration, and time constant of the foot did not change.
(14) In terms of cardiac electrophysiology, amiloride prolongs action potential duration without alteration in upstroke velocity of phase 0 in Purkinje fibers.
(15) The correlations between the catheterization measurement of aortic valve area and the various noninvasive measurements were as follows: time to one-half carotid upstroke (r = -0.32, p less than 0.001); corrected left ventricular ejection time (r = -0.24, p less than 0.05); aortic valve excursion (r = 0.51, p less than 0.001); mean gradient by Doppler study (r = -0.44, p less than 0.001); mean gradient by catheterization analysis (r = -0.55, p less than 0.001); peak to mean gradient ratio measured by continuous wave Doppler (r = 0.38, p less than 0.001); and aortic valve area assessed using the Doppler continuity equation (r = 0.85, p less than 0.001).
(16) The characteristics of the MAP upstroke were compared with those of the local action potential foot as well as with the characteristics of approaching electrical activation during uniform and asynchronous conduction.
(17) Maximum upstroke velocity of Ca-action potentials recorded in partially depolarized ventricles were enhanced by phenylephrine, and the enhancement was eliminated by sotalol but not by phentolamine.
(18) This frequency-dependent maximum upstroke velocity block increased at higher stimulation frequencies and at higher drug concentrations.
(19) litre-1 [K]o, however, caffeine could increase the upstroke of slow response and the force.
(20) The start of opening of these valves occurs at the onset of the pressure rise in the corresponding great vessel and completion of valve opening always occurs on the pressure upstroke.