corticospinal tract

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Related to Corticospinal fibers: Lateral corticospinal tract, Corticospinal fibres
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Noun1.corticospinal tract - any of the important motor nerves on each side of the central nervous system that run from the sensorimotor areas of the cortex through the brainstem to motor neurons of the cranial nerve nuclei and the ventral root of the spinal cordcorticospinal tract - any of the important motor nerves on each side of the central nervous system that run from the sensorimotor areas of the cortex through the brainstem to motor neurons of the cranial nerve nuclei and the ventral root of the spinal cord
efferent, efferent nerve, motor nerve - a nerve that conveys impulses toward or to muscles or glands
central nervous system, CNS, systema nervosum centrale - the portion of the vertebrate nervous system consisting of the brain and spinal cord
basal ganglion - any of several masses of subcortical grey matter at the base of each cerebral hemisphere that seem to be involved in the regulation of voluntary movement
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References in periodicals archive ?
One hypothesis posits that mirror movements occur because of abnormally uncrossed corticospinal fibers originating in primary motor cortices (M1) (23).
[42] in a rat stroke model to selectively shut off rewired corticospinal fibers originating in the contralesional pre- and motor cortex and targeting the stroke-denervated hemispinal cord: When doxycycline was administered to the rats in the drinking water after the rehabilitative treatment for impaired skilled motor function, the recovered grasping skills of the impaired paw decreased again over time.
Cervical sprouting of corticospinal fibers after thoracic spinal cord injury accompanies shifts in evoked motor responses.