Medical Definition of H1 receptor
: a receptor for histamine on cell membranes that modulates the dilation of blood vessels and the contraction of smooth muscle — see h1 antagonist
Test Your Vocabulary
Words Named After People
-
- Namesake of the leotard, Jules Léotard had what profession?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share H1 receptor