proestrogen

proestrogen definition - medical

pro·es·tro·gen (prō-ĕsˈtrə-jən)

noun
A precursor of estrogen that becomes an active hormone only after it has been metabolized.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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