corpus luteum

 
Pronunciation: /ˈluːtɪəm/

noun (plural corpora lutea /ˈluːtɪə/)

Anatomy
  • 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.

Origin:

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