Are there only two neurotransmitters in the PNS?

DrFishNips · Jun 1, 2009

I read that the only 2 neurotrasmitters in the PNS are acetylcholine and norepinephrine. Acetylcholine being the main one. That can't be right can it? What about epinephrine?

SW VandeCarr · Jun 13, 2009

DrFishNips said:

I read that the only 2 neurotrasmitters in the PNS are acetylcholine and norepinephrine. Acetylcholine being the main one. That can't be right can it? What about epinephrine?

Epinephrine is not a neurotransmitter in the PNS. Its only activity as a neurotransmitter is a minor one in the CNS. Its primarily synthesized in the adrenal gland and its main systemic activity is as a hormone.

Are there only two neurotransmitters in the PNS?

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Are there only two neurotransmitters in the PNS?

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