lateral corticospinal tract

noun

Medical Definition of lateral corticospinal tract

: a band of nerve fibers that descends in the lateral funiculus 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 with some fibers arising in the motor cortex of the same side

called also crossed pyramidal tract

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Dictionary Entries Near lateral corticospinal tract

lateral cord

lateral corticospinal tract

lateral crest

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Cite this Entry

“Lateral corticospinal tract.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/lateral%20corticospinal%20tract. Accessed 16 Sep. 2021.

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