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1. In anatomy and physiology, denoting those neural structures which by the impulses generated and transmitted by them cause muscle fibers or pigment cells to contract, or glands to secrete. SEE ALSO: m. cortex, m. endplate, m. neuron. 2. In psychology, denoting the organism's overt reaction to a stimulus (m. response). [L. a mover, fr. moveo, to move]
- m. oculi SYN: oculomotor nerve [CN III].
- plastic m. an artificial point of attachment on an amputation stump to which is fastened the cord or extensor by which movement is transmitted to an artificial limb; used in cinematization.
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mo·tor 'mōt-ər adj
1) causing or imparting motion
2) of, relating to, or being a motor neuron or a nerve containing motor neurons <\motor fibers> <\motor cells>
3) of, relating to, concerned with, or involving muscular movement <\motor areas of the brain>
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mo·tor (moґtər) [L., from movēre, past part. motus, to move] 1. a muscle, nerve, or center that effects or produces movement. 2. producing or subserving motion.Medical dictionary. 2011.