(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.
Upward
Definition:
(adv.) Alt. of Upwards
(a.) Directed toward a higher place; as, with upward eye; with upward course.
(n.) The upper part; the top.
Example Sentences:
(1) However, a highly significant upward shift of the proliferating cell compartment was observed in the cancer group, resulting in a specific modification of the [3H]TDR labeling pattern in 6 of 17 specimens.
(2) Moments later, Strauss introduces the bold human character with an energetic, upwards melody which he titles "the climb" in the score.
(3) They also questioned why George Osborne and the Treasury failed to realise there was a potential issue earlier in the calculation process – pointing to recent upwards revisions of post-1995 gross national income by the UK’s own statistics watchdog.
(4) Here we present images of polydeoxyadenylate molecules aligned in parallel, with their bases lying flat on a surface of highly oriented pyrolytic graphite and with their charged phosphodiester backbones protruding upwards.
(5) The authors decided to keep in this series only hips presenting with a very considerable upward displacement of the femoral head of type IV in Crowe, Maini and Ranawat's classification.
(6) In this study downward gaze was more severely disturbed than upward gaze.
(7) on, whereas palpation is only possible upward of 15 mm.
(8) Past measurements have shown that the intensity range is reduced at the extremes of the F0 range, that there is a gradual upward tilt of the high- and low-intensity boundaries with increasing F0, and that a ripple exists at the boundaries.
(9) We have the nuclear-related wealth, which captures the highly skilled and the affluent and the upwardly mobile.
(10) In the absence of glutamine the aggregate is readily dissociated following dilution of the extract; that is, velocity concaves upward as a function of increasing protein concentration.
(11) This contralateral defect involved the foot and extended upwards to end in a sensory level.
(12) 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.
(13) Levels of alpha 1-antitrypsin (A 1-AT) showed marked season-related fluctuation patterns in Co children, the curves in E group children turned steeply upward from the third examination series on.
(14) The first eigenvector, when represented by grey scale maps depicting a pair of eyes, reveals that, as average threshold increases, the visual field rises and flattens, like an umbrella that, initially closed, is simultaneously opened and thrust upwards.
(15) UMLBs (n = 14) had no spontaneous activity and emitted bursts of action potentials that preceded rapid eye movements by approximately 6 ms. Parameters of the burst (duration and number of spikes) were highly correlated with parameters of the rapid eye movement (duration and amplitude of the upward displacement of the eyes).
(16) Put simply, there would have to be evidence that ultra-low oil prices are having only a temporary downward impact on inflation and have helped disguise upward pressure on wages caused by falling unemployment.
(17) With systole there is downward (caudal) flow of CSF in the aqueduct of Sylvius, the foramen of Magendie, the basal cisterns and the dorsal and ventral subarachnoid spaces while during diastole, upward (cranial) flow of CSF in these same structures is seen.
(18) During the operation an upward looping PICA was found crossing and tightly compressing the exit zone of the right facial nerve.
(19) After upward transposition of the anterior lamella, the excised skin is very suitable for covering the free tarsal surface.
(20) Assuming no future environmental or lifestyle changes, the upward trend in age-adjusted mortality rates, which averaged 2 to 3% per annum since 1950, is projected to discontinue and bend downward by the second decade of the 21st century.