Definition of corpus luteum in English:

corpus luteum

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

noun (plural corpora lutea /ˈlo͞otēə/)

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.
More 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'.

Definition of corpus luteum in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day noisome
Pronunciation: ˈnɔɪs(ə)m
having an extremely offensive smell