Male and Female Pelvic Innervation and Blood Supply

Question 1

What are the divisions off the external iliac artery?

Answer 1

Inferior epigastric artery

Deep circumflex iliac artery

Question 2

What branches off the internal iliac artery posterior division?

Answer 2

Iliolumbar artery
Lateral sacral artery
Superior gluteal artery

Question 3

What are the branches off the internal iliac artery anterior division?

Answer 3

Umbilical artery
Obturator artery
Uterine artery (Females)
Inferior vesicle artery (Males)
Middle rectal artery
Inferior gluteal artery
Internal pudendal artery

Question 4

What does the uterine artery branch into in females?

Answer 4

Vaginal artery-> inferior vesical artery

Question 5

What does the inferior vesical artery branch into in males?

Answer 5

Artery to vas deferens-> prostatic artery

Question 6

What runs across over the external iliac artery/vein?

Answer 6

Gonadal vessels

Question 7

Where does the uterine artery run?

Answer 7

Inside the cardinal ligament and over the ureter

Question 8

What are the major venous plexus?

Answer 8

Vesical venous plexus
Prostatic venous plexus
Uterine venous plexus
Vaginal venous plexus
Rectal venous plexus

Question 9

Nerves in the sacral plexus?

Answer 9

Superior gluteal 
Inferior gluteal
Nerve to quadratus femoris
Nerve to obturator internus
Piriformis
Common fibular nerve
Tibial nerve
Posterior femoral cutaneous
Pudendal nerve

Question 10

Spinal levels of sacral plexus?

Answer 10

L4-S4

Question 11

Levels of superior gluteal and nerve to quadratus femoris?

Answer 11

L4, L5, S1

Question 12

Levels of inferior gluteal nerve and nerve to obturator internus?

Answer 12

L5, S1, S2

Question 13

Levels of posterior femoral cutaneous nerve?

Answer 13

S1, S2, S3

Question 14

Levels of pudendal nerve?

Answer 14

S2, S3, S4

Question 15

Levels of piriformis nerve?

Answer 15

S1, S2

Question 16

Levels of tibial nerve?

Answer 16

L4-S3

Question 17

Levels of common fibular nerve?

Answer 17

L4-S2

Question 18

Sciatic nerve levels?

Answer 18

L4-S3

Question 19

Where does perineum surgical anesthesia occur?

Answer 19

Medial to ischial tuberosity

Question 20

Is the pudendal nerve efferent or afferent?

Answer 20

Both

Question 21

What are the efferent sympathetic presynaptic structures?

Answer 21

Thoracic nerves

Lumbar spinal nerves

Question 22

What are the efferent presynaptic parasympathetic structures?

Answer 22

Sacral spinal nerve

Pelvic splanchnic nerve

Question 23

What are the efferent sympathetic postsynaptic structures?

Answer 23

Lumbar nerve
Sacral splanchnic nerve
Intermesenteric plexus
Hypogastric plexus

Question 24

Where does above the pectinate line drain?

Answer 24

Superior rectal vein into the inferior mesenteric vein to the hepatic portal system

Question 25

Where does below the pectinate line drain?

Answer 25

Middle and inferior rectal veins to IVC