corticobulbar tract

(redirected from Cortico-bulbar tract)
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cor·ti·co·nu·cle·ar fi·bers

descriptive term connotating fibers from a cortical structure (cerebral or cerebellar) passing to subcortical cell groups; fibers comprising the fibrae corticonucleares bulbi [TA], fibrae corticonucleares pontis [TA], and fibrae corticonucleares mesencephali [TA]; cerebellar corticonuclear fibers (Purkinje cell axons to the cerebellar nuclei).
Synonym(s): fibrae corticonucleares [TA]

corticobulbar tract

An axon tract from the motor cortex that innervates the reticular formation and the cranial nerve nuclei in the hindbrain.
See also: tract