The Pelvic Wall

Question 1

What is the main important pelvic fascia you should know for this exam?

Answer 1

Arcus tendinous which is a thickening of the obturator internus fascia, which is the origin for a large part of levator ani muscle

Question 2

What are three subperitoneal pelvic fascis forming visceral ligaments supporting the uterus?

Answer 2

Pubovesical ligaments
Transverse cervical ligaments
Sacrouterine ligament

Question 3

What are the branches of arteries that supply pelvis outside of the internal iliac artery?

Answer 3

Ovarian artery (branches right off of aorta)
Superior rectal artery (terminal branch of inferior mesenteric artery)
Median sacral artery (branch of aorta)

Question 4

What are the 3 branches of the posterior division of internal iliac artery?

Answer 4

Iliolumbar
Lateral sacral arteries
Superior gluteal arteries (separates lumbosacral trunk from ventral ramus of S1)

Question 5

What are the branches of the anterior division of internal iliac artery?

Answer 5

Umbilical arteries (gives off superior vesical arteries)
Obturator artery (in 30% arises from inferior epigastric or external iliac artery)
Inferior vesical arteries (males only)
middle rectal arteries (this is where the most branches to internal reproductive organs goes)
Uterine artery
Vaginal artery (females only; homolog of inferior vesical)
Internal pudendal artery
Inferior gluteal artery