motor fiber


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Related to motor fiber: Gamma motor neuron

motor fiber

one of the fibers (axons) in the cranial and spinal nerves that transmit impulses to and cause contraction of muscle fibers.

motor fiber

Any of the axons of motor neurons that innervate skeletal muscles.
See also: fiber
References in periodicals archive ?
For example, when there's a stroke in the internal capsule, it might interrupt sensory fibers, motor fibers, and fibers involved in other functions--all of which run very close to one another.
For example, a stroke in the internal capsule might interrupt sensory fibers, motor fibers, and fibers involved in other functions, all running very close to one another.
Fibrosis occurs between motor fibers at 1 to 2 years and fragmentation and disintegration occur by 2 years.