Motor

[mo’ -tor) \_movere, to move], I. Moving or causing motion. 2. Concerned in or pertaining to motion, as M. cell, M. center, M. nerve. M. Aphasia. See Aphasia. M. Area, the portion of the cerebral hemisphere presiding over voluntary motion, including the pre central and post central gyri, the posterior part of the three frontal gyri and the para central lobule on the median surface of the hemisphere. M. oculi, the third cranial or oculomotor nerve supplying all the muscles of the eye, except the superior oblique and external rectus. M. Points, the points on the surface of the body where the various branches of the motor nerves supplying the muscles may be stimulated by electricity. 405