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corpus luteum

cor·pus lu·te·um [ kàwrpəss ltee əm ] (plural cor·po·ra lu·te·a [ kàwrpərə ltee ə ])


noun 
Definition:
 
yellow mass of tissue: a yellow mass of tissue that forms in a part of the ovary Graafian follicle after ovulation in mammals and secretes the hormone progesterone. If no pregnancy is established, the corpus luteum degenerates, but it continues to secrete the hormone if pregnancy occurs.

[< modern Latin, "yellow body"]
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