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 ?
19] reported that WD in the corticospinal tract was associated with motor dysfunction at 30 days following middle cerebral artery ischemic stroke.
white matter tracts: corticospinal tract, reticulospinal tracts and afferent tracts, e.
The corticospinal tract (CST) is a band of nerve fibers that travels from the brain, through the brain stem and into the spinal cord.
The lesion could be in the corticospinal tract if it is an upper motor neuron lesion, or it could be tied to more peripheral damage (at the spinal nerve level or at the neuromuscular junction, for example).
The corticospinal tract (CST) is a band of nerve fibres that travels from the brain, through the brain stem and into the spinal cord.
Part 2, entitled 'Neuromotor plasticity and development', discusses the corticospinal tract, its development and its plasticity.
On the other hand, other studies have focused on the restoration of the remaining nerves, such as reorganization of the corticospinal tract on the uninjured side after damage to the corticospinal tract of juvenile rats [6].
In 1896, at the Societe de Biologie, he described the normal flexion of the toes as resulting in the stimulation of the sole of the feet, and also the extension of the great toe during dysfunctions of the corticospinal tract.
In one analysis, the two structures--the arcuate fasciculus, which is involved in reading and language, and the corticospinal tract, which plays a role in motor coordination-appeared short and fairly smooth.
30-32) TcMEPs are useful because they evaluate integrity at the level of the cortex, corticospinal tract, and nerve roots.
The theory which could explain why patients with the unilateral CSDH have hemiparesis more often than those with the bilateral ones is a wider diameter of midline displacement and, consequently, the corticospinal tract compression, with the disturbance in the cerebral blood flow on the side of hematoma [10].
According to Fink et al3 criteria for diagnosis of FSP; subjects are diagnosed as definitely affected' if all alternative disorders have been excluded; the family history supports an inherited disorder; subjects report a progressive gait disturbance; and neurological examination shows a frank corticospinal tract deficit in the lower limbs including grade4 hyperreflexia and extensor plantar responses.