motor (mo´ter)

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 motor cortex, motor endplate, motor neuron. 2. In psychology, denoting the organism's overt reaction to a stimulus (motor response). [L. a mover, fr. moveo, to move]
m. oc´uli oculomotor nerve
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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