Pelvis vessels

Question 1

what is the main arterial supply of the pelvis

Answer 1

internal iliac artery

Question 2

the aorta divides to give what

Answer 2

common iliac arteries

Question 3

where does the aorta bifurcate

Answer 3

L4

Question 4

each common iliac divides to give

Answer 4

an external and an internal iliac artery

Question 5

what do the external and internal iliac arteries supply

Answer 5

external goes to lower limb

internal goes to pelvis

Question 6

the internal iliac artery further divides to what

Answer 6

anterior and posterior division (although there is variation)

Question 7

what are the typical branches of the anterior division of the internal iliac

Answer 7

umbilical artery
obturator artery
inferior vesical
middle rectal
inferior gluteal
internal pudendal

Question 8

describe the path of the umbilical artery

Answer 8

branch of the anterior division of the internal iliac artery - ends as a piece of connective tissue but before that point it gives off at least 2 branches to supply the bladder; the superior vesical arteries

Question 9

the obturator artery passes through the _____ foramen into the _____ compartment of the thigh

Answer 9

obturator

medial compartment of the thigh

Question 10

what is a variation associated with the obturator artery

Answer 10

this vessel may be absent and instead a small vessel crosses the superior ramus of the pubic bone from the femoral or external iliac arteries to then enter the pelvis and pass through the obturator foramen

Question 11

in the female, what usually replaces the inferior vesical artery

Answer 11

vaginal or uterine artery

Question 12

what vessel supplies the rectum in both sexes

Answer 12

middle rectal artery

Question 13

the middle rectal artery supplies what in males

Answer 13

rectum and prostate

Question 14

what vessel supplies the gluteal region with blood

Answer 14

inferior gluteal artery

Question 15

describe the path of the inferior gluteal artery

Answer 15

branch of anterior division of the internal iliac artery

passes through the greater sciatic notch to supply the gluteal region

Question 16

what is the final branch of the anterior division of the internal iliac artery

Answer 16

internal pudendal artery

Question 17

what branches does the internal pudendal artery give off

Answer 17

inferior rectal branch in the anal triangle and several branches to the perineum

Question 18

in males, the inferior vesical and middle rectal arteries supply what

Answer 18

prostate, seminal vesicles and ductus deferens

Question 19

in males what artery supplies the testes

Answer 19

testicular arteries from abdominal aorta at L2

Question 20

in females what artery supplies the ovaries

Answer 20

ovarian arteries from the abdominal aorta at L2

Question 21

in females, the inferior vesical artery is replaced by vaginal or uterine branches that also supply…

Answer 21

the bladder

Question 22

the distal parts of the vagina are supplied with blood by what

Answer 22

perineal branches of the internal pudendal artery

Question 23

what are the branches of the posterior division of the internal iliac artery

Answer 23

iliolumbar
lateral sacral
superior gluteal

Question 24

the iliolumbar artery supplies what

Answer 24

part of the posterior abdominal wall

Question 25

the lateral sacral artery contributes blood to the

Answer 25

vertebral canal

Question 26

the superior gluteal artery supplies

Answer 26

part of the gluteal region

Question 27

the obturator artery originates from

Answer 27

internal iliac (anterior)

Question 28

the obturator artery supplies

Answer 28

pelvic muscles, head of femur, ilium

Question 29

the superior vesical artery originates from

Answer 29

umbilical artery

Question 30

the superior vesical artery supplies

Answer 30

superior aspect of baldder and ductus deferens

Question 31

the ductus deferens artery originates from where

Answer 31

superior/inferior vesical artery

Question 32

the ductus deferens artery supplies

Answer 32

ductus deferens

Question 33

the inferior vesical artery originates

Answer 33

internal iliac (anterior)

Question 34

the inferior vesical artery supplies

Answer 34

urinary bladder, ureter, seminal vesicle, prostate

Question 35

the middle rectal artery originates

Answer 35

internal iliac (anterior)

Question 36

the middle rectal artery supplies

Answer 36

rectum
seminal vesicle
prostate

Question 37

the internal pudendal artery originates

Answer 37

internal iliac (anterior)

Question 38

the internal pudendal supplies

Answer 38

perineum and anal canal

Question 39

the inferior gluteal artery originates

Answer 39

internal iliac (anterior)

Question 40

the inferior gluteal artery supplies

Answer 40

levator ani
coccygeus
piriformis
gluteal region

Question 41

the uterine artery originates

Answer 41

internal iliac

Question 42

the uterine artery supplies

Answer 42

ureter
uterus
vagina

Question 43

the vaginal artery originates

Answer 43

uterine artery

Question 44

the vaginal artery supplies

Answer 44

vagina and bladder

Question 45

the iliolumbar artery originates

Answer 45

internal iliac (posterior)

Question 46

the iliolumbar artery supplies

Answer 46

cauda equina
iliacus
psoas
quadratus lumborum

Question 47

the lateral sacral artery originates

Answer 47

internal iliac (posterior)

Question 48

the lateral sacral artery supplies

Answer 48

vertebral canal

piriformis

Question 49

the superior gluteal artery originates

Answer 49

internal iliac (posterior)

Question 50

the superior gluteal artery supplies

Answer 50

levator ani
piriformis
gluteal region

Question 51

what is the venous drainage of the pelvis

Answer 51

equivalent veins to arteries that mainly drain into the internal iliac veins, also small venous plexuses associated with some of the pelvic structures e.g. prostate gland, rectum and sacrum