gustatory nucleus


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.

rhomb·en·ce·phal·ic gus·ta·to·ry nu·cle·us

the rostral third of the nuclei of solitary tract, receiving afferents from the facial, glossopharyngeal, and vagus nerves conveying impulses originating from the receptor cells of the taste buds.

gustatory nucleus

A nucleus of the visceral sensory column in the hindbrain; it comprises the rostral third of the nucleus of the solitary tract. The gustatory nucleus receives axons carrying sensory information from the taste buds via three cranial nerves, the facial (CN VII), the glossopharyngeal (CN IX), and the vagus (CN X). Axons from the gustatory nucleus synapse in the semilunar nucleus, a component of the ventromedial subdivision of the ventral posterior nucleus of the thalamus.
See also: nucleus