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prohormone

[proh-hawr-mohn]
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noun Biochemistry.
  1. the inactive precursor molecule from which a hormone is derived.
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Origin of prohormone

First recorded in 1930–35; pro-1 + hormone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

prohormone in Medicine

prohormone

(prō-hôrmōn′)
n.
  1. An intraglandular precursor of a hormone.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.