encyclopedia of medical concepts
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Pyramidal Tracts
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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.
Other names
Decussation, Pyramidal; Corticospinal Tracts; Corticobulbar Tracts; Tracts, Pyramidal; Tracts, Corticospinal; Tracts, Corticobulbar; Tract, Pyramidal; Tract, Corticospinal; Tract, Corticobulbar; Pyramidal Tract; Pyramidal Decussation; Corticospinal Tract; Corticobulbar Tract
