Learn and talk about Juxtarestiform body, Neuroanatomy

Brain: Juxtarestiform body

Scheme showing the connections of the several parts of the brain. (Inferior peduncle labeled at bottom right.)

Section of the medulla oblongata at about the middle of the olive. (Inferior peduncle labeled at upper right.
NeuroNames	hier-776
NeuroLex ID	birnlex_1106

The juxtarestiform body is a subdivision of the inferior cerebellar peduncle, which comprises both the juxtarestiform and restiform bodies.

Function [edit]

The juxtarestiform body carries both afferent and efferent fibers connecting the vestibular nuclei and the flocculonodular lobe and fastigial nucleus of the cerebellum.

The juxtarestiform body coordinates balance and eye movements by communication between the vestibular apparatus and the cerebellum.

Upper part of medulla spinalis and hind- and mid-brains; posterior aspect, exposed in situ.
Superficial dissection of brain-stem. Lateral view.
Dissection of brain-stem. Lateral view.
Deep dissection of brain-stem. Lateral view.
Dissection of brain-stem. Dorsal view.
Diagram showing the course of the arcuate fibers.
Dissection showing the course of the cerebrospinal fibers.

Dorsal

Surface	Posterior median sulcus · Posterolateral sulcus · Area postrema · Vagal trigone · Hypoglossal trigone · Medial eminence

Grey: Cranial nuclei	afferent: GVA: VII,IX,X: Solitary/tract/Dorsal respiratory group · SVA: Gustatory nucleus · GSA: VIII-v (Lateral, Medial, Inferior) efferent: GSE: XII · GVE: IX,X,XI: Ambiguus · SVE: X: Dorsal · IX: Inferior salivatory nucleus

Grey: other	Gracile nucleus · Cuneate nucleus · Accessory cuneate nucleus

White: Sensory/ascending	Sensory decussation · Medial lemniscus · Inferior cerebellar peduncle (Juxtarestiform body) · Ascending dorsal longitudinal fasciculus · MLF, III, IV and VI

White: Motor/descending	Descending dorsal longitudinal fasciculus · MLF, III, IV and VI

Ventral

White: Motor/descending	Motor decussation · Olivocerebellar tract · Rubro-olivary tract

Grey matter	Ventral respiratory group · Arcuate nucleus of medulla · Inferior olivary nucleus · Rostral ventromedial medulla

Surface	Anterior median fissure · Anterolateral sulcus · Olive · Pyramid

Grey: Raphe/
reticular

Surface anatomy

Lobes	Anterior lobe Posterior lobe Horizontal fissure Flocculonodular lobe Flocculus Nodule Primary fissure

Medial/lateral	Vermis: anterior Central lobule Culmen Lingula posterior Folium Tuber Uvula Vallecula of cerebellum Hemisphere: anterior Alar central lobule posterior Biventer lobule Cerebellar tonsil

Deep cerebellar nuclei	Dentate interposed Emboliform Globose Fastigial

Cerebellar cortex	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

Internal	Arbor vitae

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

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