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what makes up the external female genitalia?
vulva or pudendum
what are the 3 functions of the vulva or pudendum?
- acts as sensory tissue during sexual intercourse
- assists in micturition by directing flow of urine
- protects internal female reproductive tract from infection
what makes up the outermost layer of the vulva or pudendum? (2)
- labia majora
- mons pubis
what are the labia majora?
2 external skin folds that can bear hair
where do the labia majora run to and from?
from mons pubis to posterior commissure
what is the mons pubis? (2)
- subcutaneous fat pad anterior to pubic symphasis
- formed by fusion of labia majora
what is the next layer in after the labia majora?
labia minora
what is the labia minora?
2 hairless folds of skin
what does the anterior fusion of labia minora form?
hood of clitoris
what does the posterior fusion of labia minora form?
fold of skin called fourchette
what under hood of clitoris?
clitoris
what is the clitoris composed of?
erectile corpora cavernosa tissue
what happens to clitoris?
becomes engorged with blood during sexual stimulation
what is the next layer after the labia minora?
vestibule
what 2 structures the vestibule contain?
urethral and vaginal openings
what are the 2 parts of the vaginal opening?
- external vaginal orifice
- vaginal introitus
what is found either side of vaginal orifice
Bartholin's glands
what is the function of bartholin's glands?
secrete mucus for vaginal lubrication
which arteries supply the vulva? (2)
internal and external pudendal arteries
which veins drain the vulva?
pudendal veins
which nerves innervate the anterior vulva?
ilioinguinal nerve - genital branch of genitofemoral nerve
which nerve innervated the posterior vulva?
pudendal nerve
what nerves also supply the clitoris and vestibule?
cavernous nerves