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relaxin

[ ri-lak-sin ]
/ rɪˈlæk sɪn /

noun Biochemistry, Pharmacology.

a polypeptide hormone produced by the corpus luteum during pregnancy that causes the pelvic ligaments and cervix to relax during pregnancy and delivery.

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Nearby words

  1. relaxation oscillator,
  2. relaxation suture,
  3. relaxation time,
  4. relaxed,
  5. relaxer,
  6. relaxing,
  7. relay,
  8. relay fast,
  9. relay language,
  10. relay race

Origin of relaxin

First recorded in 1925–30; relax + -in2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for relaxin

relaxin

/ (rɪˈlæksɪn) /

noun

a mammalian polypeptide hormone secreted by the corpus luteum during pregnancy, which relaxes the pelvic ligaments
a preparation of this hormone, used to facilitate childbirth

Word Origin for relaxin

C20: from relax + -in
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
Medicine definitions for relaxin

relaxin

[ rĭ-lăk′sĭn ]

n.

A female hormone secreted by the corpus luteum that helps soften the cervix and relax the pelvic ligaments in childbirth.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.