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Question 626
Anatomy → Region
Classification
Question
SSBAQuestion Header
Blood supply of the vulva
Question Stem
Which artery is a branch of the femoral artery and supplies the labium majus?
Options
A
Internal pudendal artery
B
Superficial external pudendal artery
C
Inferior epigastric artery
D
Deep external pudendal artery
✓ Correct
E
Medial circumflex femoral artery
Explanation
The deep external pudendal artery usually derives from the femoral artery and supplies the labium majus. It anastomoses with the internal pudendal artery.
Option Validity
A) Supplies perineal and vulval structures including erectile tissue of the vestibular bulb and clitoris.
B) Supplies skin and superficial fascia of upper medial thigh and pubic region.
C) Supplies the mons pubis.
E) May be an alternative origin of the deep external pudendal artery.
Further Reading
Blood supply to the external genitalia includes branches from the superficial external pudendal artery, deep external pudendal artery, internal pudendal artery and inferior epigastric artery.