corticospinal tract


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Related to corticospinal tract: Lateral corticospinal tract, Anterior corticospinal tract
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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
References in periodicals archive ?
30-32) TcMEPs are useful because they evaluate integrity at the level of the cortex, corticospinal tract, and nerve roots.
Corticospinal tract damage accompanies motor dysfunction in a mouse model of closed-head mild traumatic brain injury.
Diffusion tensor tractographic (DTT) studies have shown that the corticospinal tract passes through the posterior half of the PVWM, the arm-hand region being centered roughly at the junction of the middle and posterior thirds on scans aligned along the AC-PC line [25].
It is anticipated that such discharges are asymptomatic prior to, but are manifested by epileptic jerks upon the formation of the corticospinal tract.
The axons arising from the large pyramidal cells in layer V (Betz's cells) of area 4 contribute only about 5% of the fibers of the corticospinal tract and its pyramidal portion.
He initiated work on motor function linked to the clinical work in neurology, especially work on the human corticospinal tract.
With heroin overdose, destruction of cerebellar white matter is frequently seen, along with involvement of the corticospinal tract and sparing of the dentate nuclei (9).
The corticospinal tract is a bundle of nerves connecting the brain and spinal cord.
While we can not prove its causality, the relationship between ventricular and peduncular expansion indicates that ventricular expansion coincides with the size of the corticospinal tract in the midbrain.