oxytocin

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noun oxy·to·cin \ˌäk-si-ˈtō-sən\

Definition of oxytocin

  1. :  a pituitary octapeptide hormone C43H66N12O12S2 that stimulates especially the contraction of uterine muscle and the secretion of milk

Origin and Etymology of oxytocin

International Scientific Vocabulary, from oxytocic


First Known Use: 1928


Medical Dictionary

oxytocin

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noun oxy·to·cin \-ˈtōs-ən\

Medical Definition of oxytocin

  1. 1:  an octapeptide hormone C43H66N12O12S2 secreted by the posterior lobe of the pituitary gland that stimulates especially the contraction of uterine muscle and the secretion of milk—called also alpha-hypophamine

  2. 2:  a synthetic version of oxytocin used especially to initiate or increase uterine contractions (as in the induction of labor)—see pitocin


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