H2 receptor

noun

: 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

Browse Nearby Words

Cite this Entry

“H2 receptor.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/H2%20receptor. Accessed 12 Mar. 2025.

Love words? Need even more definitions?

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