vipoma

[ vĭ-pōmə ]

n.

An endocrine tumor, usually originating in the pancreas, that produces a vasoactive intestinal polypeptide believed to cause profound cardiovascular and electrolyte changes with vasodilatory hypotension, watery diarrhea, hypokalemia, and dehydration.

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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.