[pro.ges.ter.one] n [progestin + -sterone] (1935): a female steroid sex hormone that is secreted by the corpus luteum to prepare the endometrium for implantation and later by the placenta during pregnancy to prevent rejection of the developing embryo or fetus
PROGESTERONE
Meaning of PROGESTERONE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012