Pelvic nerves and vessels

Question 1

What are the 2 main nerves arising from the sacral plexus?

Answer 1

Sciatic and Pudendal

Question 2

Root value of Sciatic nerve?

Answer 2

L4 - S3

Question 3

Root value of Pudendal nerve?

Answer 3

S2 - S4

Question 4

Where do the sacral plexus nerves leave through?

Answer 4

Greater sciatic foramen

Question 5

Where does the Sciatic nerve pass through?

Answer 5

Greater sciatic foramen

Question 6

Where does the sciatic nerve enter after passing through a structure?

Answer 6

Gluteal region

Question 7

Where does the sciatic nerve descend along?

Answer 7

Posterior aspect of the thigh to supply the posterior aspect of the thigh, leg and foot

Question 8

What is the root value of the superior gluteal nerve?

Answer 8

L4, L5 and S1

Question 9

What does the superior gluteal nerve supply?

Answer 9

Gluteis medius and minimus

Question 10

What is the root value of the inferior gluteal nerve?

Answer 10

L5, S1 and S2

Question 11

What does the inferior gluteal nerve supply?

Answer 11

Gluteus maximus

Question 12

What is the root value of Obturator internus?

Answer 12

L5-S1

Question 13

What is the root value of Piriformis?

Answer 13

S1 - S2

Question 14

What is the direct root of the levator ani?

Answer 14

S4

Question 15

What is the direct root of Coccygeus?

Answer 15

S4 and S5

Question 16

What does the pudendal nerve supply?

Answer 16

Levator ani, external anal sphincter and external urethral sphincters, bulbospongiosus and ischiocavernosus

Question 17

What type of innervation is pudendal?

Answer 17

Motor and sensory

Question 18

Where does the pudendal nerve leave?

Answer 18

Through the greater sciatic notch between piriformis and coccyges muscles

Question 19

What does the pudendal nerve hook around?

Answer 19

The ischial spine

Question 20

Where does the pudendal nerve enter the perineum?

Answer 20

Through the lesser sciatic notch

Question 21

What are the autonomic nerve plexus?

Answer 21

Superior and inferior hypogastric plexus

Question 22

What contracts for ejaculation?

Answer 22

Ductus deferens and seminal vesicle

Question 23

What root value does the aorta divide into common iliac arteries?

Answer 23

L4

Question 24

What are the branches of the common iliac arteries?

Answer 24

Internal and external iliac branches

Question 25

What is the blood supply from in the pelvis?

Answer 25

Internal iliac arteries

Question 26

What are the divisions of the internal iliac arteries?

Answer 26

Anterior and posterior

Question 27

Where does the obturator disappear?

Answer 27

In the lateral wall

Question 28

What are the branches of the anterior division in males?

Answer 28

Inferior vesicle and middle rectal

Question 29

Where do testicular arteries arise from?

Answer 29

Abdominal aorta at L2

Question 30

Where are the ovarian arteries arise from?

Answer 30

The abdominal aorta at L2