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relaxin

[ri-lak-sin] /rɪˈlæk sɪn/
noun, Biochemistry, Pharmacology
1.
a polypeptide hormone produced by the corpus luteum during pregnancy that causes the pelvic ligaments and cervix to relax during pregnancy and delivery.
Origin of relaxin
1925-1930
1925-30; relax + -in2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for relaxin

relaxin

/rɪˈlæksɪn/
noun
1.
a mammalian polypeptide hormone secreted by the corpus luteum during pregnancy, which relaxes the pelvic ligaments
2.
a preparation of this hormone, used to facilitate childbirth
Word Origin
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
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relaxin in Medicine

relaxin re·lax·in (rĭ-lāk'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.
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14
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