Corpus-luteum definition
A yellow, progesterone-secreting mass of cells that forms from an ovarian follicle after the release of a mature egg.
noun
(anat.) A mass of yellow tissue formed in the ovary by a ruptured graafian follicle that has discharged its ovum: if the ovum is fertilized, this tissue secretes the hormone progesterone, needed to maintain pregnancy.
noun
A preparation containing this hormone, used in ovarian therapy; progesterone.
noun
A yellow, progesterone-secreting mass of cells that forms from an ovarian follicle after the release of a mature egg.
noun
A yellow mass of cells that forms from a mature ovarian follicle after ovulation and that secretes progesterone. If fertilization of the egg occurs, the corpus luteum persists for the first few months of pregnancy.
Advertisement