metaproterenol
noun
meta·pro·ter·e·nol
-prō-ˈter-ə-ˈnȯl
-ˌnōl
: a bronchodilator that is administered in the form of its sulfate (C11H17NO3)2·H2SO4 in the treatment of bronchial asthma and reversible bronchospasm associated with bronchitis and emphysema
called also orciprenaline
Note: Metaproterenol acts as an agonist, binding to beta-receptors that mediate the relaxation of the bronchial muscles.
Cite this Entry
“Metaproterenol.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/metaproterenol. Accessed 9 Jul. 2026.
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