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corpus luteum Syllabification: cor·pus lu·te·um
Pronunciation: /ˌkôrpəs ˈlo͞otēəm/

Definition of corpus luteum in English:

noun (plural corpora luteaˈlo͞otēə)

A hormone-secreting structure that develops in an ovary after an ovum has been discharged but degenerates after a few days unless pregnancy has begun.
Example sentences
  • It is generally believed that symptoms result from the waning hormone secretions from the ovaries as the corpus luteum begins to degenerate towards the end of the menstrual cycle.
  • It is secreted by the corpus luteum during pregnancy and by the ovaries during the luteal phase of the menstrual cycle.
  • In the corpora lutea of the ovary, whirls of long needles are most distinct.


Late 18th century: from corpus and Latin luteum, neuter of luteus 'yellow'.

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