corpus luteum

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From Latin corpus (body) + lūteum (yellow).


corpus luteum (plural corpora lutea)

  1. (anatomy) A yellow mass of cells that forms from an ovarian follicle during the luteal phase of the menstrual cycle in mammals; it secretes steroid hormones.
    • 1997, Roy Porter, The Greatest Benefit to Mankind, Folio Society, published 2016, page 546:
      The role of the corpus luteum in the oestrous cycle and in pregnancy was shown in 1929 by G. W. Corner (1889–1981) and Willard Allen (1904–93) to depend on a hormone named progestin, later called progesterol.