sympathin

noun

sym·​pa·​thin ˈsim-pə-thən How to pronounce sympathin (audio)
: a substance (as norepinephrine) that is secreted by sympathetic nerve endings and acts as a chemical mediator

Dictionary Entries Near sympathin

Cite this Entry

“Sympathin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/sympathin. Accessed 18 Jul. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!