The Erectile Tissue That Immediately Surrounds the Urethra Is the

question 109

Multiple Choice

The erectile tissue that immediately surrounds the urethra is the

• A) membranous urethra.
• B) penile urethra.
• C) glans penis.
• D) corpus spongiosum.
• E) corpus cavernosum.

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Definitions:

Sodium Channels

Proteins located in cell membranes that facilitate the passage of sodium ions into and out of the cell, essential for processes such as nerve impulse transmission.

Action Potential

A temporary reversal of an electric membrane potential, which propagates along the membrane of a nerve cell or muscle cell.

Cerebrospinal Fluid

Clear fluid that surrounds the brain and spinal cord and fills ventricles within the brain.

Ventricles

Chambers of the heart that receive blood from the atria and pump it out to the lungs and the rest of the body.