A 48-year-old member asked:
What is the function of ADH (vasopressin) in regulating osmolarity in the blood?
1 doctor answer
Dr. Thomas Knecht answered
30 years experience in Endocrinology
Kidney and water: Hi. ADH (vasopressin) prevents the kidney from putting water out in the urine (a graded dose-response). If solutes in the blood are becoming too high a concentration, ADH (vasopressin) is secreted and makes the kidney put water from the kidney filtrate back into the blood, which dilutes out the solutes and brings down the osmolarity. Falling osmolarity suppresses ADH (vasopressin) secretion. The waltz goes on.
Answered on Nov 30, 2014
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