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News in Physiological Sciences, Vol 9, 214-219, Copyright © 1994 by International Union of Physiological Sciences
ARTICLES |
K Aukland
Rising to the upright position should a priori increase capillaray pressure in the feet by 100 mmHg and cause excessive filtration. Fortunately, frank edema is automatically prevented by arterial vasoconstriction and reduced capillary surface area, by colloid osmotic hydrostatic counterforces in plasma and interstitium, and by increased lymph drainage.
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