Assertion: parasympathetic nervous system's neurotransmitter | /r/HasProperty | norephinphrine
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text: Last thing to know is that the predominant neurotransmitter used by the SNS (fight-or-flight branch) is norephinphrine, or noradrenaline, which is easily converted to epinephrine, or adrenaline (in British-English) by the enzyme phenylethanolamine-N-methyl transferase (PNMT).