Dictionary.com
definitions
  • synonyms

oxytocin

[ok-si-toh-suh n]
See more synonyms on Thesaurus.com
noun
  1. Biochemistry. a polypeptide hormone, produced by the posterior lobe of the pituitary gland, that stimulates contraction of the smooth muscle of the uterus.
  2. Pharmacology. a commercial form of this substance, obtained from beef and hog pituitary glands or especially by synthesis, and used chiefly in obstetrics to induce labor and to control postnatal hemorrhage.

Origin of oxytocin

First recorded in 1925–30; oxytoc(ic) + -in2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for oxytocin

Contemporary Examples


British Dictionary definitions for oxytocin

oxytocin

noun
  1. a polypeptide hormone, secreted by the pituitary gland, that stimulates contractions of the uterus or oviduct and ejection of milk in mammals; alphahypophame: used therapeutically for aiding childbirth. Formula: C 43 H 68 N 12 O 12 S 2Compare vasopressin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

oxytocin in Medicine

oxytocin

([object Object])
n.
  1. A short polypeptide hormone that is released from the posterior lobe of the pituitary gland, stimulates the contraction of smooth muscle of the uterus during labor, and facilitates release of milk from the breast during nursing.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

oxytocin in Science

oxytocin

[ŏk′sĭ-tōsĭn]
  1. A polypeptide hormone secreted by the posterior portion of the pituitary gland. Oxytocin stimulates the contraction of smooth muscle of the uterus during childbirth and facilitates ejection of milk from the mammary glands.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • About
  • Cookies, Terms, & Privacy
© 2018 Dictionary.com, LLC.