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[proh-jes-tin] /proʊˈdʒɛs tɪn/
noun, Pharmacology.
any substance having progesteronelike activity.
Also called progestogen.
Origin of progestin
First recorded in 1925-30; pro-1 + gest(ation) + -in2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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progestin in Medicine

progestin pro·ges·tin (prō-jěs'tĭn)

  1. A natural or synthetic progestational substance that mimics some or all of the actions of progesterone.

  2. A crude hormone of the corpus luteum from which progesterone can be isolated in pure form. No longer in technical use.

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