2. <physiology> The irritating action of various agents (stimuli) on muscles, nerves, or a sensory end organ, by which activity is evoked; especially, the nervous impulse produced by various agents on nerves, or a sensory end organ, by which the part connected with the nerve is thrown into a state of activity; irritation.
Origin: L. Stimulatio: cf. F. Stimulation.
(01 Mar 1998)
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