agonist

(redirected from short-acting beta agonist)
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agonist

[′ag·ə‚nist]
(biochemistry)
A chemical substance that can combine with a cell receptor and cause a reaction or create an active site.
(physiology)
A contracting muscle that is resisted or counteracted by another muscle, called an antagonist, with which it is paired.
References in periodicals archive ?
Usual care background therapy included long- and short-acting anticholinergics, short-acting beta agonists, inhaled corticosteroids and xanthines.
In the case of the recent South Island Respiratory Educators' Forum in Christchurch, a presentation by professor of respiratory medicine at Otago University, Robin Taylor, on nebulisers and the over use of short-acting beta agonists, really impressed me.