Scrotum

Question 1

Describe the scrotum.

Answer 1

• an outpouching of the anterior abdominal wall
• skin is thin with little or no fat - important for maintaining a temperature below body temperature
• consists of a series of concentric layers which are derived from corresponding layers of the anterior abdominal wall

Question 2

What does the scrotum contain?

Answer 2

• the testes
• the epididymis
• the lower part of the spermatic cord

Question 3

What are the corresponding layers of the anterior abdominal wall and scrotum?

Answer 3

Question 4

Describe the dartos muscle.

Answer 4

• smooth muscle fibers which are firmly adherent to the skin of the scrotum
• functions in temperature regulation

Question 5

What is hydrocele?

Answer 5

an accumulation of fluid in the cavity of the tunical vaginalis that leads to swelling of the scrotum

Question 6

Describe the layers of the tunica vaginalis.

Answer 6

• Parietal layer: superficial, lies internal to the internal spermatic fascia
• Visceral layer: deep, firmly adherent to the testis and epididymis