oxytocin Hear it!

oxytocin definition

oxy·to·cin (äk′si tō′sin, -täs′in)

noun

a hormone, CHNOS, of the posterior pituitary gland, that stimulates contractions in the smooth muscle of the uterus and facilitates the secretion of milk

Etymology: < oxytocic + -in

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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