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During ventricular contraction, the wave of depolarization moves from endocardial to epicardial surface.
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During and ventricular
During contraction of the ventricular myocardium ( systole ), the subendocardial coronary vessels ( the vessels that enter the myocardium ) are compressed due to the high intraventricular pressures.
During ventricular fibrillation, cardiac output drops to zero, and, unless remedied promptly, death usually ensues within minutes.
During ventricular systole, pressure rises in the left ventricle.
During ventricular systole, pressure rises in the left ventricle.
During left ventricular diastole, after the pressure drops in the left ventricle due to relaxation of the ventricular myocardium, the mitral valve opens, and blood travels from the left atrium to the left ventricle.
During the ventricular contraction portion of the cardiac cycle, the Purkinje fibers carry the contraction impulse from both the left and right bundle branch to the myocardium of the ventricles.
During fetal development, this shunt protects the right ventricle from pumping against the high resistance in the lungs, which can lead to right ventricular failure if the DA closes in-utero.
During ventricular diastole, the pressure in the ( left and right ) ventricles drops from the peak that it reaches in systole.
During inspiration, intrapleural pressure decreases by up to 4 mm Hg, which distends the right atrium, allowing for faster filling from the vena cava, increasing ventricular preload, and increasing the stroke volume.
During ventricular contraction, or systole, some of the blood from the left ventricle leaks into the right ventricle, passes through the lungs and reenters the left ventricle via the pulmonary veins and left atrium.
During the fifth stage, " Isovolumic ventricular relaxation ", pressure decreases, no blood enters the ventricles, the ventricles stop contracting and begin to relax, and the semilunar valves close due to the pressure of blood in the aorta.
During and contraction
) During the initial collapse, this pre-main-sequence star generates energy through gravitational contraction.
During a contraction, these muscles contract causing shortening of the upper segment and drawing upwards of the lower segment, in a gradual expulsive motion.
During Margaret Thatcher's contraction of the coal industry, six pits within a two mile ( 3 km ) radius of the city centre were closed between 1979 and 1983.
During vomiting the propulsion of food up the esophagus and out the mouth comes from contraction of the abdominal muscles ; peristalsis does not reverse in the esophagus.
During the 1930s, the U. S. and the rest of the world experienced a severe economic contraction that is now called the Great Depression.
* During accommodation, the parasympathetic nervous system causes constriction of the pupil and contraction of the ciliary muscle to the lens, allowing for closer vision.
During the 1980s, migratory Japanese sardine was one of the most abundant fish in the summer and the main commercial species, but the fishery collapsed and by 1993 no sardines were reported caught leading to significant economic contraction in the few settlements on the islands.
During contraction, there is a spatial reorganization of the contractile machinery to optimize force development.
During the nineties, countries like Mexico, Argentina, Malaysia, Turkey, Colombia, Indonesia, Korea and Peru all experienced boom – bust cycles with the consequent collapse in GDP, consumption, non-tradable output sector contraction, capital flow reversals, limited or costly access to capital markets and sharp real exchange rate fluctuations.
During intense muscle contraction the ion pumps that maintain homeostasis of these ions are inactivated and this ( with other ion related disruption ) causes ionic disturbances.
During the era of route contraction from 1940 to about 1975 the Franklin Avenue Shuttle, as it is now known, seemed a prime candidate for abandonment ; its physical structure had been allowed to deteriorate and its service steadily curtailed.
During the contraction the core becomes hotter and hotter until it causes the outer layers to begin fusing hydrogen and expand outwards initiating the red giant stage.
During this phase, the male urethral sphincter contracts ( so as to prevent urine from mixing with semen, and guard against retrograde ejaculation ) and muscles at the base of the penis begin a steady rhythmic contraction.
During contraction of muscle, rapidly cycling crossbridges form between activated actin and phosphorylated myosin, generating force.
During a concentric contraction, a muscle is stimulated to contract according to the sliding filament mechanism.
During an eccentric contraction, the muscle elongates while under tension due to an opposing force being greater than the force generated by the muscle.
During an eccentric contraction of the biceps muscle, the elbow starts the movement while bent and then straightens as the hand moves away from the shoulder.
During an eccentric contraction of the triceps muscle, the elbow starts the movement straight and then bends as the hand moves towards the shoulder.
During a concentric contraction, muscle fibers slide across each other, pulling the Z-lines together.
During an eccentric contraction, the filaments slide past each other the opposite way, though the actual movement of the myosin heads during an eccentric contraction is not known.
During and wave
During 1996, however, the economy collapsed due to an unstable and decentralised banking system, a wave of hyperinflation throughout several countries of Eastern Europe, and slow reforms, which led to an inflation rate of 311 % and the collapse of the lev.
During the 11th through 14th centuries, a wave of building of cathedrals and smaller parish churches occurred across Western Europe.
During World War II and through the 1950s, high frequency (" short wave ") radio was widely used for military and diplomatic communication, and could be intercepted at great distances.
During this time Very Low Frequency ( 3 – 30 kHz ) signals will be reflected by the D layer instead of the E layer, where the increased atmospheric density will usually increase the absorption of the wave and thus dampen it.
During the 1990s, Methodism experienced a powerful wave of revival in the nation.
During the 2006 European heat wave, Kalkar reached a high of 38. 6 ° C ( 101. 5 ° F ) on July 19, and a Weather Underground station in Nijmegen-Dukenburg reached a high of 38. 7 ° C ( 101. 7 ° F ), which, if accepted by the KNMI, would have been a record high for the Netherlands.
During the adventure, the player-heroes have to stop a crime wave being carried out by the Crusaders ' opposite numbers, a villain team called the Crushers.
During his term in office, Wilson gave a well-known Flag Day speech that fueled the wave of anti-German sentiment sweeping the country in 1917 – 18.
During the economic miracle of the 1950s and 1960s, a large wave of internal migration, especially peasants from rural areas of Southern Italy, moved to the city.
During the summer of 1972, he prepared to resign and changed his mind only because of fears of a renewed wave of immigration from Uganda after the accession of Idi Amin, who had expelled Uganda's Asian residents.
During the etching process the printmaker uses a bird feather or similar item to wave away bubbles and detritus produced by the dissolving process, from the surface of the plate, or the plate may be periodically lifted from the acid bath.
During the heat wave that peaked with that record, five consecutive days reached or above.
During the highest tides rising water is funnelled up the estuary into a wave that travels upstream against the river current at a speed of 8 to 13 miles per hour.
During the Dreyfus Affair, one Champagne house released a Champagne Antijuif with anti-Semitic advertisements to take advantage of the wave of anti-Semitism that hit parts of France.
During a sharp wave, as many as 5 – 10 % of the neural population may emit action potentials during a period of 50 ms ; many of these cells emit bursts of several action potentials.
During the Cultural Revolution, the administration of Ulanhu was purged, and a wave of repressions was initiated against the Mongol population of the autonomous region.
During this period a wave of acts also came from New Zealand, including Ray Columbus & the Invaders, Max Merritt & The Meteors, Dinah Lee, Larry's Rebels and The La De Das.
During the late hours of 8 April and early morning of 9 April the men of the leading and supporting wave of the attack were moved into their forward assembly positions.
During this procession, she charmed the burghers of Bruges when she chose to wave to them rather than shut herself away from the wind and rain.
During the early 19th century, many scientists began to disregard the corpuscular theory in favor of the wave theory of light.
During each heartbeat, a healthy heart will have an orderly progression of a wave of depolarisation that is triggered by the cells in the sinoatrial node, spreads out through the atrium, passes through the atrioventracular node and then spreads all over the ventricles.
During the 2010 Rally to Restore Sanity and / or Fear about 210, 000 people participated in a wave led by MythBusters hosts Jamie Hyneman and Adam Savage.
" During the decade of the 1630s, many families departed for the Massachusetts Bay Colony as part of the wave of emigration that occurred during the Great Migration.
During the post war immigration wave of the 1950s the lands and buildings at Scheyville became the starting point for thousands of immigrants seeking a new life in Australia.
During the 1980s, Hispanic and Caribbean immigrants from countries such as El Salvador, Mexico, Guatemala, Colombia, Bolivia, Peru, Jamaica and elsewhere in the West Indies led a new wave of migration into the community.
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