Meaning of relaxin

re•lax•in

Pronunciation: (ri-lak'sin), [key]
— n. Biochem., Pharm.
  1. a polypeptide hormone produced by the corpus luteum during pregnancy that causes the pelvic ligaments and cervix to relax during pregnancy and delivery.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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