methacholine (English, noun)
expansion: methacholine (uncountable)
Senses:
topics: medicine
pharmacology
sciences
glosses: A choline derivative with parasympathomimetic activity that can induce bronchoconstriction in asthmatics and is used in tests of airway responsiveness; O-acetyl-β-methylcholine, C₈H₁₈NO₂⁺.
tags: uncountable
Forms:
form: metacholine
tags: alternative