gamma motoneurons

gamma motoneurons
neurons of the anterior spinal cord that give rise to the gamma (fusimotor) fibers which innervate intrafusal fibers of the muscle spindle. Cf. anterior horn cell and gamma loop.

Medical dictionary. 2011.

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  • fusimotor — Pertaining to the efferent innervation of intrafusal muscle fibers by gamma motor neurons. SEE ALSO: neuromuscular spindle. [L. fusus, spindle, + moveo, to move] * * * fu·si·mo·tor (fu″sĭ moґtər) [fus + motor] innervating… …   Medical dictionary

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