نتایج جستجو برای: compensatory response
تعداد نتایج: 990541 فیلتر نتایج به سال:
It is well known that such mechanical factors as arterial hypertension or valvular defects increase the work of the myocardium and so result in cardiac enlargement. The amount of this compensatory response, however, varies strikingly from case to case. Even when all the known factors tending to produce hypertrophy and those known to limit it are comparable, some hearts are found at autopsy to h...
Blood flow increases to exercising skeletal muscle, and this increase is driven primarily by vasodilation in the contracting muscles. When oxygen delivery to the contracting muscles is altered by changes in arterial oxygen content, the magnitude of the vasodilator response to exercise changes. It is augmented during hypoxia and blunted during hyperoxia. Because the magnitude of the increased va...
It is a common observation that normal growth is affected or suppressed in young individuals by environmental adversities and physical disturbances. On the other hand, when health or favorable conditions are restored, the tempo of growth promptly accelerates as if the individual is trying to make up for the growth debt incurred. Tanner has referred to this increased growth rate after diseases o...
In population ecology, there has been a fundamental controversy about the relative importance of competition-driven (density-dependent) population regulation vs. abiotic influences such as temperature and precipitation. The same issue arises at the community level; are population sizes driven primarily by changes in the abundances of cooccurring competitors (i.e., compensatory dynamics), or do ...
The aim of this study was to determine the effect of a prolonged high-fat (HF) on thiol-disulfide homeostasis via the activity of the glutathione redox-system (GRS) in rat blood and liver. Methods: The experiment was conducted on male Wistar rats. They were divided into groups and fed on the HF diet for 30, 90 and 180 days, respectively. The HF diet consisted of beef fat and cholesterol (19 % a...
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