H2 receptor

noun

Medical Definition of H2 receptor

: a receptor for histamine on cell membranes that modulates the stimulation of heart rate and the secretion of gastric acid

called also H2 histamine receptor

— see h2 antagonist

Learn More About H2 receptor

Dictionary Entries Near H2 receptor

H2 antagonist

H2 receptor

H5N1

Cite this Entry

“H2 receptor.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/H2%20receptor. Accessed 4 Oct. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

The Great British Vocabulary Quiz

  • union jack speech bubble
  • Named after Sir Robert Peel, what are British police called?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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!