relaxin
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re·lax·in
(rĭ-lăk′sĭn)n.
A female hormone secreted by the corpus luteum that helps soften the cervix and relax the pelvic ligaments in childbirth.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
relaxin
(rɪˈlæksɪn)n
1. (Biochemistry) a mammalian polypeptide hormone secreted by the corpus luteum during pregnancy, which relaxes the pelvic ligaments
2. (Pharmacology) a preparation of this hormone, used to facilitate childbirth
[C20: from relax + -in]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
re•lax•in
(rɪˈlæk sɪn)n.
a polypeptide hormone, produced by the corpus luteum during pregnancy, that causes the pelvic ligaments and cervix to relax during pregnancy and delivery.
[1925–30]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Noun | 1. | relaxin - hormone secreted by the corpus luteum during the last days of pregnancy; relaxes the pelvic ligaments and prepares the uterus for labor endocrine, hormone, internal secretion - the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect |
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