Female reproductive system - external genitalia, Biology

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EXTERNAL GENITALIA -

Vestibule is covered by 2 pairs of lips labia majoris and labia minoris.
At the anterior junction of labia minoris a small erectile clitoris present, homologous to penis.
A membranous fold fourchette conects the post. ends of the labia minoris.
Area between fourchette & anus is perinium.
Urethra & vagina open by separate aperture, the urethral and vaginal orffice into vestibule.
Vaginal orffice is covered by a membrane i.e. hymen. A slit in hymen allows menstrual flow to pass out.
A fleshy elevation above the labia majoris is monsvenesis or mons pubis.

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