sympathin

noun
sym·​pa·​thin | \ ˈsim-pə-thən How to pronounce sympathin (audio) \

Medical Definition of sympathin

: a substance (as norepinephrine) that is secreted by sympathetic nerve endings and acts as a chemical mediator

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Cite this Entry

“Sympathin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/sympathin. Accessed 2 Dec. 2020.

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