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Flashcards in Pelvic nerves and vessels Deck (30)
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1

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

Sciatic and Pudendal

2

Root value of Sciatic nerve?

L4 - S3

3

Root value of Pudendal nerve?

S2 - S4

4

Where do the sacral plexus nerves leave through?

Greater sciatic foramen

5

Where does the Sciatic nerve pass through?

Greater sciatic foramen

6

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

Gluteal region

7

Where does the sciatic nerve descend along?

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

8

What is the root value of the superior gluteal nerve?

L4, L5 and S1

9

What does the superior gluteal nerve supply?

Gluteis medius and minimus

10

What is the root value of the inferior gluteal nerve?

L5, S1 and S2

11

What does the inferior gluteal nerve supply?

Gluteus maximus

12

What is the root value of Obturator internus?

L5-S1

13

What is the root value of Piriformis?

S1 - S2

14

What is the direct root of the levator ani?

S4

15

What is the direct root of Coccygeus?

S4 and S5

16

What does the pudendal nerve supply?

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

17

What type of innervation is pudendal?

Motor and sensory

18

Where does the pudendal nerve leave?

Through the greater sciatic notch between piriformis and coccyges muscles

19

What does the pudendal nerve hook around?

The ischial spine

20

Where does the pudendal nerve enter the perineum?

Through the lesser sciatic notch

21

What are the autonomic nerve plexus?

Superior and inferior hypogastric plexus

22

What contracts for ejaculation?

Ductus deferens and seminal vesicle

23

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

L4

24

What are the branches of the common iliac arteries?

Internal and external iliac branches

25

What is the blood supply from in the pelvis?

Internal iliac arteries

26

What are the divisions of the internal iliac arteries?

Anterior and posterior

27

Where does the obturator disappear?

In the lateral wall

28

What are the branches of the anterior division in males?

Inferior vesicle and middle rectal

29

Where do testicular arteries arise from?

Abdominal aorta at L2

30

Where are the ovarian arteries arise from?

The abdominal aorta at L2