Smooth Muscle Fibers in the Submucosa of the Scrotum Are

Question

Smooth muscle fibers in the submucosa of the scrotum are the
A) dartos muscle
B) cremaster muscle
C) tunica muscularis
D) tunica albuginea
E) internal oblique muscle

Accepted Answer

The smooth muscle fibers in the submucosa of the scrotum that are responsible for wrinkling the skin and regulating the temperature of the testes are called the dartos muscle. The cremaster muscle is responsible for elevating the testes. The tunica muscularis is a layer of smooth muscle in the walls of the gastrointestinal tract. The tunica albuginea is a fibrous layer that covers the testes. The internal oblique muscle is a muscle of the abdominal wall.