Ischioanal Fossae

Question 1

Bounderies of Ischioanal fossae

Answer 1

lateral- ischium and obturator internus M (pudendal canal located here)
medial- anal canal surrounded by levator ani M and external anal sphincter
Posterior- sacrotuberous ligament and gluteus maximus M
anterior- pubic bones inferior to origion of puborectalis M

Question 2

Pudendal Canal

location and contents

Answer 2

On lateral wall of ischioanal fossae
Contains 
internal pudendal AV
Pudendal N
Nerve to obturator internis M

Question 3

Internal Pudendal Artery branches

Answer 3

Inferior rectal A
Perenial A
deep A of penis
Dorsal A of penis

Question 4

Pudendal Nerve branches to form

Answer 4

inferior rectal nerve
perenial nerve
deep perenial nerve
dorsal nerve of penis

Question 5

Perenial artery branches

Answer 5

posterior scrotal/labial Artery

Artery of bulb of penis/vestibule

Question 6

inferior rectal nerve innervates?

Answer 6

external anal sphincter and perianal skin

Question 7

perenial nerve innervates?

Answer 7

urogenital triangle

Question 8

superficial perenial nerve branches to form

Answer 8

posterior scrotal/labial nerve

Question 9

deep perenial nerve innervates?

Answer 9

motor to muscles of deep and superficial perenial pouches, and sensory for inferior part of vagina and its vestibule