male reproductive anatomy

Question 1

What is the shortest and narrowest part of the male urethra?

Answer 1

membranous

Question 2

What are the parts of the male urethra?

Answer 2

prostatic (receives semen from ejaculatory ducts)
membranous (deep perineal pouch, contains external urethra+ bulbourethral glands drain)
Spongy (within the corpus spongiosum)

Question 3

How much cooler is the scrotum than the rest of the body?

Answer 3

2-2.5 degrees cooler

Question 4

What is the blood supply to the scrotum?

Answer 4

anterior scrotal artery, posterior scrotal artery, testicular vein

Question 5

Contents of the deep perineal pouch in men

Answer 5

deep transverse perineal muscle
external urethral sphincter
bulbourethral glands (cowper's glands)