ovarian hormone


re·lax·in

(rē-lak'sin), A polypeptide hormone secreted by the corpora lutea of mammalian species during pregnancy. Facilitates the birth process by causing a softening and lengthening of the pubic symphysis and cervix; it also inhibits contraction of the uterus and may play a role in timing of parturition. Synonym(s): cervilaxin, ovarian hormone, parturition-mediating factor, releasin [relax + -in]

ovarian hormone

A hormone produced by the ovary. See: estradiol; estriol; estrogen; estrone; progesteroneSee also: hormone