The Pelvic Cavity

Question 1

Where can you palpate the boundaries of the pelvic canal

Answer 1

Via the rectum

Question 2

What is the lateral border of the pelvic outlet and what is its clinical significance

Answer 2

Sacrotuberous ligament: softens before birth to increase the size of the outlet

Question 3

What muscles for the pelvic diaphragm

Answer 3

Coccygeus and levator ani

Question 4

What is the origins/insertions of the coccygeus and levator ani

Answer 4

Origin is the pelivs, insertion is the caudal vertebrae

Question 5

What nerve supplies the coccygeus and levator ani

Answer 5

Caudal rectal nerve

Question 6

What lies between the levator ani and anus

Answer 6

The external anal sphincter

Question 7

Where are perineal hernias most likely to occur

Answer 7

Between levator ani and the external anal sphincter

Question 8

What are perianal glands

Answer 8

Modified sebaceous glands found around the anus

Question 9

Which artery supplies the colon and rectum

Answer 9

Caudal mesenteric artery

Question 10

Which artery supplies the pelvic viscera and overlying muscles?

Answer 10

Internal iliac