Medical Dictionary
Main Entry:
ag·o·nist Pronunciation:
'ag-&-n&st Function:
noun 1 : a muscle that on contracting is automatically checked andcontrolled by the opposing simultaneous contraction of another muscle called also
agonist muscle, prime mover; —compare
ANTAGONIST a,
SYNERGIST 2 2 : a chemical substance (as a drug) capable of combiningwith a receptor on a cell and initiating the same reaction or activity typically produced by the binding of an endogenous substance
agonists> —compareANTAGONIST b