Dictionary

relaxin

noun re·lax·in \ri-ˈlak-sən\

Definition of RELAXIN

:  a sex hormone of the corpus luteum that facilitates birth by causing relaxation of the pelvic ligaments
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First Known Use of RELAXIN

1930
Medical Dictionary

relaxin

noun re·lax·in \ri-ˈlak-sən\

Medical Definition of RELAXIN

:  a polypeptide sex hormone of the corpus luteum that facilitates birth by causing relaxation of the pelvic ligaments

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