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

Cite this Entry

“H2 receptor.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/H2%20receptor. Accessed 7 Aug. 2020.

Comments on H2 receptor

What made you want to look up H2 receptor? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt painting a young scholar and his tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

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!