Vestibulocerebellar tract

One of the afferent sets of fibers passing to the cerebellum.

Brain: Vestibulocerebellar tract
NeuroNames	hier-611
NeuroLex ID	birnlex_1009

The vestibulocerebellar tract is a tract in the pontine tegmentum which connects the vestibular nerve and the cerebellar cortex.

External links

• http://vestibular.wustl.edu/vestibular4.html

This neuroanatomy article is a stub. You can help Wikipedia by expanding it. v • d • e

v • d • e Human brain: rhombencephalon (hindbrain): Met-/pons (TA A14.1.05.101-604, GA 9.785) Ventral/ (base) Surface Basilar sulcus MCP Pontocerebellar fibers · Pontine nuclei Motor/descending Corticospinal tract · Corticobulbar tract · Corticopontine fibers Dorsal/ (tegmentum) Cranial nuclei afferent: GSA: Principal V/Spinal V · VIII-c (Dorsal, Anterior)/VIII-v (Lateral, Superior, Medial, Inferior) efferent: SVE: Motor V  · VII · GSE: VI · GVE: VII: Superior salivary nucleus MLF, III, IV and VI Vestibulo-oculomotor fibers · Vestibulospinal tract (Medial vestibulospinal tract, Lateral vestibulospinal tract) Sensory/ascending Trapezoid body/VIII · Superior olivary nucleus · Trigeminal lemniscus (Dorsal trigeminal tract, Ventral trigeminal tract) · Medial lemniscus ICP Vestibulocerebellar tract Motor/descending Apneustic center · Pneumotaxic center (Medial parabrachial nucleus) · Lateral parabrachial nucleus Surface Cerebellopontine angle · Superior medullary velum Raphe/ reticular Reticular formation (Caudal, Oral, Tegmental, Paramedian) · Raphe nuclei (Median)

v • d • e Human brain: Metencephalon/rhombencephalon - cerebellum (hindbrain) (TA 14.1.07, GA 9.788) Regions Posterior lobe (Horizontal fissure) · Anterior lobe · Flocculonodular lobe (Flocculus, Nodule) Vermis: posterior (Folium, Tuber, Uvula) · anterior (Central lobule, Culmen, Lingula) Hemisphere: posterior (Biventer lobule, Cerebellar tonsil) · anterior (Alar central lobule) white: Arbor vitae Vallecula of cerebellum · Primary fissure Layers Molecular layer (Stellate cell, Basket cell) Purkinje cell layer (Purkinje cell, Bergmann glia cell = Golgi epithelial cell) Granule cell layer (Golgi cell, Granule cell, Unipolar brush cell) Fibers: Mossy fibers · Climbing fiber · Parallel fiber Deep cerebellar nuclei Dentate · interposed (Emboliform, Globose) · Fastigial Peduncles Inferior (medulla): Dorsal spinocerebellar tract · Olivocerebellar tract · Cuneocerebellar tract · Juxtarestiform body (Vestibulocerebellar tract) Middle (pons): Pontocerebellar fibers Superior (midbrain): Ventral spinocerebellar tract · Dentatothalamic tract · Trigeminocerebellar fibers

v • d • e Brain and spinal cord: neural tracts and fasciculi Sensory/ascending PCML 1°: Pacinian corpuscle/Meissner's corpuscle → Gracile fasciculus/Cuneate fasciculus → Gracile nucleus/Cuneate nucleus 2°: → sensory decussation/arcuate fibers (Posterior external arcuate fibers, Internal arcuate fibers) → Medial lemniscus/Trigeminal lemniscus → Thalamus (VPL, VPM) 3°: → Posterior limb of internal capsule → Postcentral gyrus Anterolateral Free nerve ending → Spinothalamic tract (Lateral, Anterior) → Spinal lemniscus → Postcentral gyrus Spinoreticular tract → Reticular formation Spinotectal tract → Midbrain tectum Motor/descending Pyramidal flexion: Primary motor cortex → Posterior limb of internal capsule → Decussation of the pyramids → Corticospinal tract (Lateral, Anterior) → Neuromuscular junction Extrapyramidal flexion: Primary motor cortex → Genu of internal capsule → Corticobulbar tract → brainstem → muscles of the face, head and neck flexion: Red nucleus → Rubrospinal tract extension: Vestibulocerebellum → Vestibular nuclei → Vestibulospinal tract extension: Vestibulocerebellum → Reticular formation → Reticulospinal tract Midbrain tectum → Tectospinal tract → muscles of neck Bidirectional: Spinocerebellar Unconscious proprioception: Golgi tendon organ → Spinocerebellar (Dorsal/Dorsal nucleus of Clarke/Column of Clarke, Cuneocerebellar) → Cerebellum Reflex arc: Ventral - Rostral Brain only Medial longitudinal fasciculus Vestibular nucleus → Vestibulocerebellar tract → Cerebellum Pontine nuclei → Pontocerebellar fibers → Deep cerebellar nuclei Inferior olivary nucleus → Olivocerebellar tract → Cerebellar hemisphere see also white matter fibers

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