Question

The vag or femal organA. has an endometrium that sloughs off during menstruation B. is lined...

The vag or femal organA. has an endometrium that sloughs off during menstruation B. is lined with parietal cells in an adult, this helps in creating an acidic PH. C. is more alkaline in adolescents which redisposes them to sexually transmitted infections D. has a cuboidal epithelium in adults

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Answer #1

Vag-ina is an elastic canal leading to the cervix and the uterus where the embryo is implanted. Vag-inal opening offers lubrication and maintains pH to keep the environment acidic to inhibit any bacterial or fungal infections. In girls before puberty and after the reproductive age, the vag-ina maintains an alkaline pH and as puberty hits the vag-inal environment becomes more acidic in nature (below 4.5). It is made of many layers of squamous epithelial cells that make up the basal, intermediate and the superficial layers. The basal layer consists of cuboidal epithelial cells. The superficial layer is made of squamous epithelial cells. The uterus is lined by the endometrium which is shed off every month during menstruation if no embryo is implanted.

Therefore option D is right i.e., the vag-ina has a cuboidal epithelium in adults.

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