Cochlear nuclei and ascending auditory connections in transverse section

About this plate

Cochlear nuclei and ascending auditory connections in transverse section. Coronal view of the ear.

Region

ear

Structure

auditory pathway

View

coronal

System

brainstem, cranial nerves, special sense, white matter, ventricles

Focus

cochlear nerve, cochlear nuclei, superior olivary complex, lateral lemniscus

Structures labelled on this plate

• Vestibular nerve
• Cochlear nerve
• Ventral cochlear nucleus
• Dorsal cochlear nucleus
• Efferent fibers of ventral cochlear nucleus
• Efferent fibers of dorsal cochlear nucleus (striae medullares)
• 6'. Direct bundle to ipsilateral olive
• 6''. Decussating bundles to contralateral olive
• Superior olivary nucleus
• Trapezoid body
• Trapezoid nucleus
• Central acoustic tract (lateral lemniscus)
• Raphe
• Corticospinal tract
• Fourth ventricle
• Inferior cerebellar peduncle

Source: After Gray's Anatomy (1918). Public domain (Gray's Anatomy, 1918), modernized rendering.