The adrenal medulla is important to the sympathetic branch of the autonomic nervous system because

A) it is a source of catecholamines and it is considered a modified sympathetic ganglion.
B) it is a source of catecholamines.
C) it is considered a modified sympathetic ganglion.
D) it is a source of catecholamines, it is considered a modified sympathetic ganglion, and it releases epinephrine and norepinephrine directly into the blood.
E) it releases epinephrine and norepinephrine directly into the blood.


D) it is a source of catecholamines, it is considered a modified sympathetic ganglion, and it releases epinephrine and norepinephrine directly into the blood.

Anatomy & Physiology

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The adrenal gland releases aldosterone in response to

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