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fusimotor

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fusimotor /fu·si·mo·tor/ (fu″sĭ-mōt´er) innervating intrafusal fibers of the muscle spindle; said of motor nerve fibers of gamma motoneurons.
fu·si·mo·tor (fyz-mtr)
adj.
Relating to the motor innervation of intrafusal muscle fibers by efferent neurons of the gray matter of the spinal cord.

fusimotor
[fyo̅o̅′zimō′tər]
Etymology: L, fusus + motare, to move about
pertaining to the motor nerve fibers, or gamma efferent fibers, that innervate the intrafusal fibers of the muscle spindle.

fusimotor
denoting motor nerve fibers (of gamma motoneurons) that innervate intrafusal fibers of the muscle spindle.


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Phenol affects the alpha motoneuron fibers within the tibial nerve, and BTX type A affects the fusimotor system and the muscle spindle.
Critical examination of the case for or against fusimotor involvement in disorders of muscle tone.
A release of supraspinal inhibition and increased gamma or fusimotor drive was thought to be the cause of spasticity.
 
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