corticobulbar tract

Nerve fibers originating from pyramidal cells in the cerebral cortex terminating on cell bodies in the brainstem, including those of cranial nerve origin. It passes in the posterior limb of the internal capsule. Brain stem termini include: 1) motor cranial nerve nuclei 2) reticular formation 3) sensory relay nuclei a) cuneate nucleus b) gracile nucleus c) spinal trigeminal nucleus

General

CNS white matter tract brainstem structure

References

Principles of Neurology, 4th edition, Adams & Victor, McGraw- Hill, New York, 1989

Component-of

internal capsule medulla mesencephalon (midbrain) pons