external genitalia -vestibule is covered by 2

Question

EXTERNAL GENITALIA -

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