1. An active force or substance capable of producing an effect. For agents not listed here, see the specific name.
2. Referring to disease, a factor such as a microorganism, chemical substance, or form of radiation whose presence, excessive presence, or relative absence (as in deficiency diseases) is essential for the occurrence of a disease.
Origin
[L. ago, pres. p. agens (agent-), to perform]
adrenergic blocking agent
adrenergic neuronal blocking agent
alkylating agent
antianxiety agent
antifoaming agents
antipsychotic agent
bacteriostatic agent
Bittner agent
blister agent
blocking agent
calcium channel-blocking agent
chimpanzee coryza agent
cholinergic agent
contrast agent
delta agent
Eaton agent
embedding agents
enterokinetic agent
F agent
fertility agent
foamy agents
ganglionic blocking agent
high osmolar contrast agent
initiating agent
inotropic agents
LDH agent
luting agent
MS-1 agent
MS-2 agent
neuroleptic agent
neuromuscular blocking agents
nondepolarizing neuromuscular blocking agent
Norwalk agent
Pittsburgh pneumonia agent
promoting agent
psychotropic agent
reovirus-like agent
sclerosing agent
slow channel-blocking agent
sympathetic agent
transforming agent
TRIC agents