Canadian Medical Guide > Anatomy > Nervous System > Central Nervous System > Spinal Cord > Pyramidal Tracts Terms and Definitions




Pyramidal Tracts

Medical Definition: Fibers that arise from cells within the cerebral cortex, pass through the medullary pyramid, and descend in the spinal cord. Many authorities say the pyramidal tracts include both the corticospinal and corticobulbar tracts.
Also Called: Corticospinal Tracts,Decussation, Pyramidal,Corticobulbar Tracts

Pyramidal Tracts Medical Definitions and Terms

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