Vascular and Nerve Supply of the Pelvis Flashcards Preview

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Flashcards in Vascular and Nerve Supply of the Pelvis Deck (84)
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1

The abdominal aorta bifurcates at which vertebral location?

L4

2

What does the abdominal aorta bifurcate into?

Left and right common iliac arteries

3

Each common iliac artery bifurcates into which arteries?

External and internal iliac arteries

4

Where does the common iliac artery bifurcate?

Anterior to the sacroiliac joint

5

What are the two branches of the external iliac artery?

Deep circumflex iliac and inferior epigastric artery

6

The external iliac artery continues as what structure below the inguinal ligament?

Femoral artery

7

Which artery is specifically the major source of blood to structures within the pelvis?

Internal iliac artery

8

What crosses the external iliac artery at the pelvic brim?

Ureter

9

What are the branches of the internal iliac artery of the posterior trunk?

Iliolumbar, lateral sacral and superior gluteal arteries

10

What are the branches of the iliolumbar artery?

Iliac branch and lumbar branch

11

What branch of the iliolumbar artery supplies the iliacus muscle and ilium?

Iliac branch

12

Which branch of the iliolumbar artery supplies psoas major and quadratus lumborum muscles?

Lumbar branch

13

Which branch of the internal iliac artery anastomoses with the median sacral artery?

Lateral sacral artery

14

Which branch of the internal iliac artery exits the pelvis through the greater sciatic foramen superior to the piriformis muscle?

Superior gluteal artery

15

The superior gluteal artery usually passes through what structures?

Lumbosacral trunk and 1st sacral nerve

16

Which branch of the internal iliac artery is a part of the anterior trunk and exits the pelvis through the greater sciatic foramen inferior to the piriformis?

Inferior gluteal artery

17

Which branch of the internal iliac artery is a part of the anterior trunk and passes between the 1st and 2nd or 2nd and 3rd sacral nerves?

Inferior gluteal artery

18

Which branch of the internal iliac artery is a part of the anterior trunk and exits the pelvis through the greater sciatic foramen between the piriformis and coccygeus muscles?

Internal pudendal artery

19

Which branch of the internal iliac artery is a part of the anterior trunk and enters the perineum through the lesser sciatic foramen giving off important branches?

Internal pudendal artery

20

Which branch of the internal iliac artery is a part of the anterior trunk and gives off the superior vesical arteries?

Umbilical artery

21

What part of the umbilical artery gives off the superior vesical arteries?

Proximal (patent) portion

22

What do the superior vesical arteries supply?

Superior part of the bladder

23

What gives rise to the artery of the ductus deferens?

One of the superior vesical arteries

24

The distal portion of the umbilical artery is obliterated and gives rise to what structure?

Medial umbilical ligament

25

Which branch of the internal iliac artery is a part of the anterior trunk and exits the pelvis through the obturator foramen?

Obturator artery

26

What does the obturator artery supply?

Muscles of the thigh

27

Which branch of the internal iliac artery is a part of the anterior trunk and supplies the inferior part of the bladder (in both sexes) and the prostate gland and seminal vesicles (in males)?

Inferior vesical artery

28

Which branch of the internal iliac artery is a part of the anterior trunk and supplies the middle portion of the rectum as well as the prostate and vagina?

Middle rectal artery

29

Which branch of the internal iliac artery is a part of the anterior trunk and is homologous to the artery of the ductus deferens in males?

Uterine artery

30

The uterine artery can sometimes form a common trunk with which arteries?

Vaginal or middle rectal arteries