progesterone Hear it!

progesterone definition

pro·ges·ter·one (prō jes′tər ōn′)

noun

a steroid hormone, CHO, secreted by the corpus luteum or prepared synthetically, active in preparing the uterus for the reception and development of the fertilized ovum and the mammary glands for milk secretion

Etymology: pro- + ge(station) + ster(ol) + -one

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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