sympathin

/ (ˈsɪmpəθɪn) /

noun

a substance released at certain sympathetic nerve endings: thought to be identical with adrenaline

Word Origin for sympathin

C20: from sympath ( etic) + -in

Medical definitions for sympathin

sympathin
[ sĭmpə-thĭn ]

n.

A substance, such as norepinephrine, that diffuses into the circulation from the terminals of active sympathetic nerves and serves as a chemical mediator.