Question

Differentiate between major structural changes in human ovary during follicular and luteal phase of the menstrual cycle.​

Answer 1

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• During follicular phase of menstruation the primary follicles in the ovary grow to overcome the mature graffian follicle. The increase in LH and FSH stimulates the follicular development as well as secretion of estrogen by the growing follicles.

• At mid cycle there is LH surge, causing rupturing of graffian follicles to release the ovum. This is followed by luteal phase. In which there is formation of corpus luteum that starts secreting the hormone progesterone that maintain the Uterine Endometrium and keep it ready for implantation.