corpus luteum corpus luteum More Terms The corpus luteum (Latin for "yellow body") is a hormone-secreting gland, which forms after a mature egg is released from an ovarian follicle. It is composed of granulosa- and theca-lutein cells and primarily secretes the steroid hormone progesterone. If the egg is not fertilized, the corpus luteum will degenerate and form the corpus albicans. 2014. 9. 15. 이전 1 2 다음