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A member asked:
Is there a difference between epinephrine and norepinephrine?
A doctor has provided 1 answer
Synthesis & Locale: Norepinephrine (ne) and Epinephrine (e) are both sympathomimetic catecholamines that are synthesized in the adrenal medulla and terminals of sympathetic neurons. Along the metabolic pathway, ne is synthesized first -- and when an enzyme adds a methyl group, you have epinephrine. Ne is the main catecholamine in peripheral tissue and sympathetic neurons. E is mostly made in the adrenal medulla.
Answered 6/25/2014
5.7k views
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