Pelvic Blood Vessels + Lymph

Question 1

where does the abdominal aorta branch into the two common iliac arteries?

Answer 1

L4-L5

Question 2

Where does the common iliac vessel split into the internal and external vessel?

Answer 2

At the level of L5-S1

Question 3

Where does the internal iliac branch into the anterior and posterior branches of the internal iliac vessel?

Answer 3

The same level as the top of the great sciatic foramen.

Question 4

What are the branches of the posterior branch of the internal iliac vessel?

Answer 4

Iliolumbar artery
Lateral sacral artery (superior and inferior)
Superior gluteal artery

Question 5

What is the route of the external branch of the internal iliac vessel?

Answer 5

It exits the greater sciatic foramen then re enters the lesser sciatic foramen.

Question 6

What are the main branches of the anterior branch of the internal iliac vessel?
UM, IOU, III

Answer 6

Umbilical artery (gives rise to the superior vesicle artery)
Middle rectal artery   

Inferior vesicle artery (M)/ Vaginal artery (W)
Obturator artery
Uterine artery (ascending - tubes and ovaries, descending - vagina).

Then exits the greater sciatic foramen:
Internal pudendal artery
inferior gluteal artery
Inferior rectal artery

Question 7

What are the two main anastamoses?

Answer 7

1. Between superior rectal artery (Inferior Mesenteric Artery) and middle rectal artery (anterior branch of internal iliac).
2. Between ovarian artery (abdominal aorta) and the ascending uterine artery (internal iliac artery).

Question 8

Where does the internal pudendal artery supply blood to?

Answer 8

The perineum AND external genitalia.

Question 9

What is the terminal branch of the anterior branch of the internal iliac artery?

Answer 9

The inferior gluteal artery.

Question 10

Which structures pass through the greater sciatic foramen?

Answer 10

Above piriformis muscle:
Superior gluteal artery
superior gluteal nerve

Below the piriformis muscle:
Internal pudendal artery
Pudendal nerve
Inferior rectal artery 
Sciatic nerve

Question 11

What is the terminal branch of the posterior division of the internal iliac artery?

Answer 11

The superior gluteal artery.

Question 12

What structure used to be the umbilical vein?

Answer 12

Round ligament of the liver.

Question 13

Where does the vaginal artery supply blood to?

Answer 13

The vagina AND the inferior part of the bladder.

Question 14

Where does the ascending and descending branches f the uterine artery supply blood to?

Answer 14

Ascending - tubes and ovaries

Descending - vagina

Question 15

Where does the ureters run?

Answer 15

BELOW the uterine arteries.

Question 16

What artery branches from the umbilical artery?

Answer 16

The superior vesicle artery.

Question 17

What is the inferior vesicle artery (males) called in females?

Answer 17

Vaginal artery

Question 18

what is the first branch from the anterior division of the internal iliac?

Answer 18

Umbilical artery

Question 19

Where does the superior rectal artery arise from?

Answer 19

Inferior mesenteric artery

Question 20

Where does the vaginal artery arise from?

Answer 20

The uterine artery

Question 21

what does the superior and inferior vesicle arteries supply?

Answer 21

Bladder, ureter, seminal gland and prostate in the male.

Question 22

where does the inferior rectal artery branch from?

Answer 22

The internal pudendal artery

Question 23

what are the two end branches of the anterior division of internal iliac artery?

Answer 23

Internal pudendal (branches into inferior rectal)

Inferior gluteal artery

Question 24

What is the main vein that drains the pelvis?

Answer 24

Internal iliac vein

Question 25

Where does the internal iliac vein start?

Answer 25

At the level of the greater sciatic foramen.

Question 26

What does the femoral vein become?

Answer 26

External iliac vein.

Question 27

What is the only vein that drains into the common iliac instead of the internal iliac vein?

Answer 27

Iliolumbar vein

Question 28

Where is the common iliac vein formed at?

Answer 28

The upper part of the pubic symphysis.

Question 29

Where do the right and left common iliac veins combine to become the inferior vena cava?

Answer 29

L5

Question 30

Where does the right testicular/ovarian veins drain into?

Answer 30

Directly into the inferior vena cava.

Question 31

Where does the left testicular/ovarian vein drain into?

Answer 31

The left renal vein, this then drains into the inferior vena cava.

Question 32

Where do the rectal veins drain into?

Answer 32

superior rectal vein - venous portal system

Middle rectal vein and inferior rectal vein - into the systemic circulation

Question 33

Which venous plexus does the prostatic venous plexus anastomose with?

Answer 33

The internal vertebral venous plexus.

Question 34

Where does the glans penis drain into?

Answer 34

Deep inguinal lymph nodes.

Question 35

Where do the superficial intgional lymph nodes drain into?

Answer 35

The deep inguinal lymph nodes.

Question 36

Where do the deep inguinal lymph nodes drain into?

Answer 36

The pelvic lymph nodes.