Anatomy of Lateral Pelvic Wall

Question 1

Hole in the obturator membrane

Answer 1

onturator canal

Question 2

1 of the origin points of levator ani, lying over the obturator internus

Answer 2

Tendinous Arch of the Levator ani

Question 3

lateral rotator of hip

and Land mark of sciatic nerve (comes out inferior to the muscle)

Answer 3

• Piriformis muscle

Question 4

Vessels of the pelvis arises from which artery

Answer 4

Internal iliac artery

Question 5

Trauma to the pelvis bone results damage to which vessel

Answer 5

external iliac artery

Question 6

what exception for a branch in the pelvis that arises from abdominal aorta

Answer 6

• superior rectal artery

- gonadal artery

Question 7

What branches arise from the posterior division of the Internal iliac artery

Answer 7

gluteal arteries

Question 8

remanant of the umbilical artery

Answer 8

Medial umbilical ligament—-

Question 9

SUpply to bladder

Answer 9

Superior and inferior vesical arteries—-may or may not have INFERIOR vesical art. in females

Question 10

Main artery. of the anterior iliac art. division?

Answer 10

• Internal pudendal artery….supplies most of the perineum

Question 11

Arteries of the male perineum

Answer 11

> perineal artery>posterior scrotal art.> dorsal artery of the penis> deep artery

Question 12

Erection of the penis mainly by which artery?

Answer 12

deep artery of the penis

Question 13

Ligation of which pelvic artery is done in a hysterectomy

Answer 13

Uterine artery

Question 14

Female version of inferior vesical artery

Answer 14

-Vaginal artery

Question 15

What does the ovarian artery give off?

Answer 15

• tubal br.

- ovarian branch

Question 16

What anastomoses are seen in the female pelvis?

Answer 16

• btwn uterine artery and ovarian artery

- btwn uterine artery and vaginal artery

Question 17

What is meant by water under the bridge in the pelvis?

Answer 17

• ureter passes right underneath the uterine artery

- —therefore careful when ligating the uterine artery —-MAY DAMAGE the ureter

Question 18

What is meant by water under the bridge in the pelvis?

Answer 18

• ureter passes right underneath the uterine artery

- —therefore careful when ligating the uterine artery —-MAY DAMAGE the ureter

Question 19

Branches of the Internal Pudendal artery

Answer 19

• dorsal artery of clitoris
• labial arteries
• perineal artery
• inf. rectal artery

Question 20

How may infection and cancer of the pelvis spread to the spine ?

Answer 20

Venous drainage into the INTERNAL vertebral venous plexus

Question 21

Damage to the nerves on the lateral wall results in what exactly

Answer 21

• supply to lower limb and perineum

Question 22

Where does the lymphatics of the ovaries and scrotum drain to

Answer 22

-drain in to LUMBAR are not external iliac

Question 23

What is meant by trans-peritoneal spread?

Answer 23

• disease can penetrate through the peritoneal layer and disseminate into the peritoneal cavity
• sloughing off of metastatic cells in to the peritoneum helps in the spread of the cancer