Erection (vasodilation)of the penis or clitoris ________.
A) is the result of coordinated activation by both sympathetic and parasympathetic input
B) is primarily under sympathetic control
C) is primarily under parasympathetic control
D) depends very little on autonomic activation

Question

Quizplus · Accepted Answer

Erection (vasodilation) of the penis or clitoris is primarily under parasympathetic control, specifically by the release of nitric oxide which causes smooth muscle relaxation in the blood vessels of the genital tissues.

Erection (Vasodilation)of the Penis or Clitoris ________