Pelvis

Question 1

What is the origin of the internal pudendal artery?

Answer 1

The anterior division of the internal iliac artery in front of the inferior gluteal artery, primary supply of the perineum. Larger in males than in females

Question 2

What is the course of the internal pudendal artery?

Answer 2

Pierces parietal pelvic fascia, passes through GREATER sciatic foramen inferior to piriformis.
It re-enters the pelvis by curving around the ischial spine and sacrospinous ligament and passes through the LESSER sciatic foramen.
It then re-exits through the pudendal canal and then runs in the LATERAL wall of the ischioanal fossa

Question 3

What are the branches of the internal pudendal artery?

Answer 3

Inferior rectal
Perineal branch- splits into posterior scrotal and transverse perineal
After this it is known as the common penile artery which has 3 branches

Question 4

What are the 3 branches of the common penile artery?

Answer 4

The artery to the bulb (bulbourethral artery)
Dorsal artery of the penis
Cavernosal artery of the penis

Question 5

What is the course of the bulbourethral artery?

Answer 5

Enters the corpus spongiform after piercing the perineal membrane

Question 6

Where does the dorsal artery of the penis run?

Answer 6

Along the dorsum of the penis

Question 7

What is a summary of the supply of the internal pudendal artery?

Answer 7

Supplies the skin and muscles of the anal triangle and the urogenital triangle as well as associated erectile bodies. It also contributes to he supply of the rectum