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Corpus luteum...

Corpus luteum

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The corpus luteum is a temporary endocrine structure in female that is involved in ovulation and early pregnancy. This yellow body is formed in ovary Graafian follicle that has matured and released its ovum. The corpus luteum is made up of lutein cells which develop immediately following ovulation, when yellow pigment and lipids accumulate within the granulosa cells lining the follicle. The corpus luteum secretes oestrogen and progesterone which helps in sercing the suitable environment for pregnancy. In the absence of pregnancy, this structure regresses and gets converted into white body called corpus albicans.
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