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corpus luteum

[kawr-puh s loo-tee-uh m] /ˈkɔr pəs ˈlu ti əm/
noun, plural corpora lutea
[kawr-per-uh loo-tee-uh] /ˈkɔr pər ə ˈlu ti ə/ (Show IPA)
Anatomy, Zoology. a ductless gland developed within the ovary by the reorganization of a Graafian follicle following ovulation.
Pharmacology. an extract of this gland, usually of the hog or cow, the chief product of which is progesterone.
Origin of corpus luteum
1780-90; < New Latin: yellow body Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for corpus luteum
Historical Examples
  • In the hypertension of the menopause some have had success with large doses of corpus luteum extract.

    Arteriosclerosis and Hypertension: Louis Marshall Warfield
  • This corpus luteum grows in size until it sometimes occupies as much as one-third of the ovary.


    William J. Robinson
  • When pregnancy is over, the corpus luteum gradually diminishes and disappears.

    A System of Midwifery

    Edward Rigby
  • This process can be interrupted by destroying the corpus luteum artificially.

  • After awhile the cavity of the corpus luteum contracts, and the opening into it closes.

    A System of Midwifery

    Edward Rigby
  • In normal single pregnancies in cattle there is never more than one corpus luteum present.

  • The empty follicle becomes cicatrized in the ovary and is called the corpus luteum (yellow body).

    The Sexual Question August Forel
British Dictionary definitions for corpus luteum

corpus luteum

noun (pl) corpora lutea (ˈluːtɪə)
a yellow glandular mass of tissue that forms in a Graafian follicle following release of an ovum. It secretes progesterone, a hormone necessary to maintain pregnancy
Word Origin
New Latin, literally: yellow body
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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corpus luteum in Medicine

corpus luteum corpus lu·te·um (lōō'tē-əm)
A yellow, progesterone-secreting mass of cells that forms from a Graaffian follicle after the release of a mature egg.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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corpus luteum in Science
corpus luteum
Plural corpora lutea
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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