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corticospinal tract

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Corticospinal tract
A tract of nerve cells that carries motor commands from the brain to the spinal cord.
Mentioned in: Neurologic Exam

corticospinal tract,
any of two groups of nerve fibers (the anterior corticospinal tract and lateral corticospinal tract ) that originate in the cerebral cortex and run through the spinal cord. They are responsible for carrying motor fibers.


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The sensory cortex contributes to the corticospinal tract (28,29) and contributes to the excitability of the motor cortex.
5 times more corticospinal tract neurons near the lesion site as compared to controls.
The most plausible hypothesis for the pathophysiological mechanisms underlying the development of GS involves the ipsilateral corticospinal tract of the irradiated limb and the relative effectiveness of the transcallosal connectivity from the opposite (affected) hemisphere that inhibits the ipsilateral fast-conducting corticospinal tract of the working (intact) hemisphere.
 
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