Anatomy - Pelvic Side Wall/Mass

Question 1

What membrane completely fills the obturator foramen?

There is only a small hole in it. Why is that?

Answer 1

Obturator membrane

For obturator neurovascular bundle

Question 2

Describe the anatomical position of the pelvis?

Answer 2

Tipped forward anteriorly

Question 3

Complete missing blanks in pic 1,2 and 3 under pelvic side wall/mass

Question 4

What muscle is important as it states where gluteal nerves become superior and inferior and is also the site in which sciatic nerve emerges underneath?

Answer 4

Piriformis

Question 5

Where do the majority of pelvic/perineal arteries arise from?

What are the two main exceptions for this?

Answer 5

Internal iliac artery

Gonadal artery - AA
Superior rectal artery - IMA

Question 6

The internal iliac artery divides into anterior and posterior divisions.
Which one supplies the parietal, and which one the visceral?

Answer 6

Parietal = posterior P=P
Visceral = anterior

Question 7

Go to page in OneNote and fill out all the artery naming

Question 8

What are the two anastomoses that occur on the female reproductive organs

Answer 8

Ovarian artery and uterine artery

Vaginal artery and uterine artery

Question 9

Vaginal artery is a branch of the uterine artery. T/F?

Answer 9

T

Question 10

How do you distinguish the ureter from the arteries which surround the uterus?

Answer 10

WATER UNDER THE BRIDGE

Ureter (water) flows underneath the UTERINE artery

Question 11

What vessel will wiggle when touched during surgery?

Answer 11

Ureter - help to identify during hysterectomy

Question 12

What sites do the branches of the internal pudendal artery supply in female?

Same again for males

Answer 12

Inferior rectal artery
Perineal artery -> labial artery
Dorsal artery of clitoris

Look at slides

perineum
POSTERIOR scrotal artery
Deep artery of penis
Dorsal artery of penis

Question 13

How can you identify the obturator artery?

Answer 13

Will be leading into flow through the obturator membrane

Question 14

Where does the blood supply for the ANTERIOR scrotal artery come from?

Answer 14

External iliac artery

Question 15

How does internal pudendal artery terminate in males?

Answer 15

As deep artery of penis

Question 16

Where do the majority of veins drain into?

Answer 16

Internal iliac vein

Question 17

From an anatomy point of view how is it possible for ovarian/prostatic cancer to spread to cerebral/spinal sites?

Answer 17

There is a lateral sacral venous plexus which has an anastomosis with vertebral veins -> spread of metastasises

Question 18

What are the nerve roots of the pudendal nerve?

Answer 18

S2,3,4 keep poo, pee and penis off the floor

Question 19

Through what foramen does the sciatic nerve exit the pelvis?

Answer 19

Superior sciatic foramen

Question 20

What is the difference between the initial drainage of the superior and inferior pelvic viscera?

Answer 20

Superior - external iliac

Inferior - inferior iliac

Question 21

Which arteries runs alongside the sciatic nerve through the greater sciatic foreman

Answer 21

Interior Pudendal

Inferior gluteal artery

Question 22

What muscle makes up the majority of the pelvic side wall?

Answer 22

Obturator internus

Question 23

What muscle makes up the majority of the pelvic side wall?

Answer 23

Obturator internus