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Meaning of corpus luteum

cor•pus lu•te•um

Pronunciation: (kôr'pus l'tē-um), [key]
— pl. cor•po•ra lu•te•a
  1. a ductless gland developed within the ovary by the reorganization of a Graafian follicle following ovulation.
  2. an extract of this gland, usually of the hog or cow, the chief product of which is progesterone.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.