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olivocerebellar tract ( olivocerebellar fibers) leaves the olivary nucleus and pass out through the hilum and decussate with those from the opposite olive in the raphé, then as internal arcuate fibers they pass partly through and partly around the opposite olive and enter the inferior peduncle to be distributed to the cerebellar hemisphere of the opposite side from which they arise.
They terminate directly on
Purkinje cells as the climbing fiber input system.
References [ ]
↑ Eccles J.C, Llinas R, and Sasaki. Excitation of cerebellar Purkinje cells by the climbing fibers. Nature 203: 245-246, 1964
Additional images [ ]
Deep dissection of brain-stem. Lateral view.
Deep dissection of cortex and brain-stem.
External links [ ]
This article was originally based on an entry from a
public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
Brain: rhombencephalon (hindbrain)
surface: Locus ceruleus
Trigeminal lemniscus ( Dorsal trigeminal tract, Ventral trigeminal tract)
cranial nuclei: GSA: Principal V/ Spinal V - VIII-c ( Dorsal, Anterior)/ VIII-v ( Lateral, Superior, Medial, Inferior) - SVE: Motor V - VII - GSE: VI - GVE: VII: Superior salivary nucleus
MLF, III, IV and VI ( vestibulo-oculomotor fibers, medial vestibulospinal tract)
sensory/ascending: Trapezoid body/VIII - Superior olivary nucleus
Inferior cerebellar peduncle ( Vestibulocerebellar tract)
motor/descending: Apneustic center • Pneumotaxic center ( Medial parabrachial nucleus) - Lateral parabrachial nucleus
Middle cerebellar peduncles ( Pontocerebellar fibers) - Pontine nuclei motor/descending: Corticospinal tract - Corticobulbar tract - Corticopontine fibers
Reticular formation ( Caudal, Oral, Tegmental, Paramedian) • Raphe nuclei ( Median)
surface: Posterior median sulcus - Postero-lateral sulcus - Area postrema
cranial nuclei: GVA: VII,IX,X: Solitary/ tract • SVA: Gustatory nucleus • GSE: XII • GVE: IX,X,XI: Ambiguus • SVE: X: Dorsal • IX: Inferior salivatory nucleus - MLF, III, IV and VI
sensory/ascending: Gracile nucleus • Cuneate nucleus ( Accessory cuneate nucleus) • Sensory decussation • Medial lemniscus
motor/descending: Dorsal respiratory group
motor/descending: Ventral respiratory group - Pyramid ( Motor decussation) - Inferior olivary nucleus ( Olivocerebellar tract, Rubro-olivary tract) surface: Anterior median fissure - Antero-lateral sulcus - Arcuate nucleus of medulla - Olivary body
Reticular formation ( Gigantocellular, Parvocellular, Ventral, Lateral, Paramedian) • Raphe nuclei ( Obscurus, Magnus, Pallidus)