Week 6 - Pelvic Masses

Question 1

What will the difference be, between touching the ureter and touching the uterine artery?

Answer 1

The ureter will vermiculate, the uterine artery will pulsate

Question 2

The obturator membrane does not cover the whole of the obturator foramen. The bit that it does not cover forms what structure?

Answer 2

The obturator canal

Question 3

What is the function of the obturator internus?

Answer 3

Lateral rotator of the hip

Question 4

The obturator internus muscle has a fascial layer over the top of it which thickens where?

Answer 4

At the pudendal canal and the tendinous arch of levator ani

Question 5

What muscle splits the greater sciatic foramen into two halves?

Answer 5

The piriformis

Question 6

The majority of arteries of the pelvis and perineum arise from where?

Answer 6

The internal iliac artery

Question 7

Where does the gonadal artery (testicular in male, ovarian in female) arise from?

Answer 7

L2 abdominal aorta

Question 8

The superior rectal artery is a continuation of what artery?

Answer 8

Inferior mesenteric

Question 9

What area of the body is supplied by the superior rectal artery?

Answer 9

The hindgut (i.e. sigmoid colon and rectum)

Question 10

The median umbilical ligament is a remnant of what?

Answer 10

The umbilical artery

Question 11

The inferior vesicle arteries are only present in which gender? In the other gender, what is this replaced by?

Answer 11

Only present in males - in females it is replaced by the vaginal artery

Question 12

What artery (and its branches) is responsible for supplying most of the perineum?

Answer 12

Internal pudendal

Question 13

At what spinal level does the common iliac artery divide?

Answer 13

L4

Question 14

The inferior vesicle artery is present in males to supply what?

Answer 14

The base of the bladder, prostate and seminal vesicles

Question 15

The inferior rectal artery come from?

Answer 15

The internal pudendal artery

Question 16

Most branches of the male perineum are from the internal pudendal artery. This terminates as what two arteries?

Answer 16

The dorsal artery of the penis and the deep artery

Question 17

Where does the anterior scrotal artery come from?

Answer 17

The external iliac artery

Question 18

Which artery of the penis is the one which supplies the corpus cavernosa?

Answer 18

Deep artery of the penis

Question 19

Which artery supplies the inferior bladder in females?

Answer 19

The vaginal artery

Question 20

The uterine artery is females is a homologue of what artery in males?

Answer 20

Artery to vas deferens

Question 21

An anastamosis occurs between the uterine artery and which other arteries?

Answer 21

The ovarian artery (superiorly) and the vaginal artery (inferiorly)

Question 22

Veins of the pelvis and perineum drain mostly into where?

Answer 22

The internal iliac vein

Question 23

If blood from the pelvis/perineum drained into the superior rectal vein, where would it go from there?

Answer 23

Into the hepatic portal system

Question 24

If blood from the pelvis/perineum drained into the lateral sacral veins, where would it go from there?

Answer 24

The internal vertebral venous plexus

Question 25

On the right hand side, the ureter usually always crosses which artery?

Answer 25

The external iliac

Question 26

On the left hand side, the ureter is found more medial and often crosses which artery?

Answer 26

Common iliac

Question 27

Superior pelvic viscera will drain to which lymph nodes?

Answer 27

External iliac

Question 28

Explain how lymph from the external or internal iliac nodes will travel back to the venous system?

Answer 28

Common iliac, para-aortic, thoracic duct

Question 29

Structures within the inferior pelvic viscera and the deep perineum will drain to which lymph nodes?

Answer 29

Internal iliac

Question 30

Superficial perineal structures will drain to which lymph nodes?

Answer 30

Superficial inguinal

Question 31

Lymph from the clitoris or glans penis will drain where?

Answer 31

Deep inguinal

Question 32

The gonads drain lymph to where?

Answer 32

Para-aortic nodes