Sympathetic Division: preganglionic neurons secrete acetylcholine, a neurotransmitter
Adrenal medulla: contains chromaffin cells (analogous to postganglionic neurons) that produces norepinephrine and epinephrine, which are hormones
The adrenal medulla is different from the remainder of the sympathetic division because ______.
a) postganglionic neurons of the adrenal medulla secrete acetylcholine
b) it has short preganglionic fibers and long postganglionic fibers
c) it secretes epinephrine and norepinephrine, which act as hormones, rather than as neurotransmitters
d) it is the only structure of the sympathetic division whose preganglionic cell bodies are not in the lateral horns of the spinal cord
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