Which layer of the uterus undergoes cyclical changes during menstrual cycle?
A
Perimetrium
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B
Myometrium
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C
Endometrium
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D
None of these
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Solution
The correct option is C Endometrium The wall of the uterus has three layers:
The innermost layer of the uterus is endometrium. The endometrium is a highly vascularized and glandular layer. The endometrium has two layers; stratum functionalis and stratum basalis. Stratum functionalis lines the uterine cavity and sloughs off during the menstruation. While the stratum basalis gives rise to new stratum functionalis after each menstruation.
Myometrium is the middle layer of the uterus and it is a thick layer of smooth muscles.