The Adrenal Medulla

Question

The adrenal medulla
A)contains neurosecretory cells controlled by areas of the brain.
B)is controlled by the pituitary.
C)secretes only when glucose levels are low.
D)functions independently of nerves and nerve cells.
E)coordinates digestive processes.

Accepted Answer

The adrenal medulla contains neurosecretory cells called chromaffin cells that are controlled by the sympathetic nervous system, which is regulated by areas of the brain such as the hypothalamus. The adrenal medulla secretes catecholamines such as epinephrine and norepinephrine in response to stress or other stimuli.