Anal Triangle

Question 1

The Anal Triangle is the area between

Answer 1

Ischial Spines and Coccyx

Question 2

The Anal Triangle contains the terminal part of GI tract, what is this?

Answer 2

Anus

Question 3

How many sphincters control defectation?

Answer 3

2

Question 4

The Internal Sphincter of anal triangle is under what control?

Answer 4

Involuntary

Question 5

The external sphincter of anal triangle is under what control?

Answer 5

Voluntary

Question 6

Lateral to the anal canal and inferior to pelvic floor are 2 fat containing fossa called

Answer 6

Ischio-Anal Fossa

Question 7

What allows the anal canal to expand during defectation?

Answer 7

Ischio-Anal Fossa

Question 8

A neurovascular bundle enters the ischio-anal fossa through what foramen?

Answer 8

Lesser Sciatic Foramen

Question 9

What structures are present in Neurovascular bundle in Ischio-Anal Fossa? (4)

Answer 9

Adipose
Pudental Nerve
Internal Pudental Artery and Vein

Question 10

What structures do neuromuscular bundle in Ischio-Anal Fossa supply?

Answer 10

External Genitals
External Urethral Sphincter and Anal Sphincter
Perineum

Question 11

What supplies the External Urethral and Anal Sphincter

Answer 11

Pudental Nerve and Internal Pudental Artery and Vein

Question 12

What supplies the External Genitals

Answer 12

Pudental Nerve and Internal Pudental Artery and Vein

Question 13

What supplies the skin around genitals

Answer 13

Pudental Nerve and Internal Pudental Artery and Vein