muscarinic

play
adjective mus·ca·rin·ic \ ˌməs-kə-ˈri-nik \

Definition of muscarinic

:of, relating to, resembling, producing, or mediating the parasympathetic effects (such as a slowed heart rate and increased activity of smooth muscle) produced by muscarine
  • muscarinic receptors
— compare nicotinic

First Known Use of muscarinic

1936


Medical Dictionary

muscarinic

play
adjective mus·ca·rin·ic \ -kə-ˌrin-ik \

medical Definition of muscarinic

:relating to, resembling, producing, or mediating the effects (as a slowed heart rate, increased secretion by exocrine glands, and increased activity of smooth muscle) that are produced on organs and tissues by acetylcholine liberated by postganglionic nerve fibers of the parasympathetic nervous system and that are mimicked by muscarine
  • muscarinic receptors
  • atropine is a muscarinic antagonist
— compare nicotinic

Learn More about muscarinic


Seen and Heard

What made you want to look up muscarinic? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

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

WORD OF THE DAY

alert quickness of mind or body

Get Word of the Day daily email!

Test Your Vocabulary

Merriam-Webster's New Words Quiz—Fall 2017 Edition!

  • young-plant-shoots
  • Which of the following is a new sense of the word bunny?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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