Abstract
Summary
Glucose and glycine insorption rates increased in similar curvilinear fashion when 20 to 280 mM concentration of each was perfused through isolated bowel loops in unanesthetized dogs. Lysine and histidine were insorbed at lower rates. Urea insorption rates exceeded those for glucose or glycine, but tended to decrease as total osmolarity of the perfusate increased. Glycine and urea interfered with glucose insorption when each was substituted for NaCl in the perfusion fluid, and glucose similarly reduced glycine insorption rates.
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