corticospinal tract crossed
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Lateral corticospinal tract — labeled in red at upper left. Latin tractus corticospinalis lateralis, fasciculus cerebrospinalis lateralis … Wikipedia
lateral corticospinal tract — n a band of nerve fibers that descends in the posterolateral part of each side of the spinal cord and consists mostly of fibers arising in the motor cortex of the contralateral side of the brain and crossing over in the decussation of pyramids… … Medical dictionary
crossed pyramidal tract — n LATERAL CORTICOSPINAL TRACT … Medical dictionary
tract — An elongated area, e.g., path, track, way. SEE ALSO: fascicle. SYN: tractus. [L. tractus, a drawing out] alimentary t. SYN: digestive t.. anterior corticospinal t. uncrossed fibers forming a small bundle in the anterior funiculus of the … Medical dictionary
spinocerebellar tract — n any of four nerve tracts which pass from the spinal cord to the cerebellum and of which two are situated on each side external to the crossed corticospinal tracts: a) a posterior tract on each side that arises from cells in the nucleus dorsalis … Medical dictionary
tractus corticospinalis lateralis — [TA] lateral corticospinal tract: a group of nerve fibers in the lateral funiculus of the spinal cord, originating in the cerebral cortex; called also crossed corticospinal tract, crossed or lateral pyramidal tract, and t. pyramidalis lateralis … Medical dictionary
Millard-Gubler syndrome — crossed paralysis, affecting the limbs on one side of the body and the face on the opposite side, together with paralysis of outward movement of the eye; it is due to infarction of the pons, involving the sixth and seventh cranial nerves and the… … Medical dictionary
nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… … Universalium
Fiber — The parts of plants that cannot be digested, namely complex carbohydrates. Also known as bulk or roughage. Complex carbohydrates from plants are rich in starch and fiber. Examples of plants that provide complex carbohydrates (fiber) are fresh… … Medical dictionary
fasciculus — 1. SYN: fascicle. 2. SYN: cord. 3. SYN: bundle. [L. dim. of fascis, bundle] f. anterior musculi palatopharyngei [TA] SYN: anterior fascicle of palatopharyngeus (muscle). anterior f. proprius [TA] SYN: fasciculi proprii … Medical dictionary