corticospinal tract crossed

corticospinal tract crossed
tractus corticospinalis lateralis.

Medical dictionary. 2011.

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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

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