Relaxin


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.
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

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.

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