Decussation of superior cerebellar peduncle

Brain: Decussation of superior cerebellar peduncle
Transverse section of mid-brain at level of inferior colliculi. (Decussation not labeled, but region is visible.)
NeuroNames	hier-518
NeuroLex ID	birnlex_1089

The decussation of superior cerebellar peduncle is the portion of the superior cerebellar peduncle which crosses into the midbrain.

External links

• http://isc.temple.edu/neuroanatomy/lab/atlas/micn/
• http://www.neuroanatomy.wisc.edu/Bs97/TEXT/P18/sum.htm
• NIF Search - Decussation of superior cerebellar peduncle via the Neuroscience Information Framework

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v • d • e Human brain: mesencephalon (midbrain) (TA A14.1.06, GA 9.800) Tectum (Dorsal) Surface Subcommissural organ Other Corpora quadrigemina: Inferior colliculi (Brachium of inferior colliculus), Superior colliculi (Brachium of superior colliculus) Pretectum Peduncle (Ventral) Peduncle tegmentum Sensory/ascending lemnisci (Medial, Lateral) · Ascending MLF Motor/descending Rubrospinal tract · Rubro-olivary tract · Descending MLF (riMLF) Other Periaqueductal gray (Dorsal raphe nucleus) Ventral tegmentum • Pedunculopontine nucleus • Red nucleus cranial nuclei: GSA (V: Mesencephalic) - GSE (III: Oculomotor, IV: Trochlear) - GVE (III: Edinger-Westphal) Interstitial cell of Cajal Superior cerebellar peduncles (Decussation of superior cerebellar peduncle) Ventricular system Cerebral aqueduct Peduncle base Motor/descending Cerebral crus: Corticospinal tract · Corticobulbar tract · Corticopontine tract/Frontopontine fibers/Temporopontine fibers Surface Interpeduncular fossa Other Substantia nigra (Pars compacta, Pars reticulata)

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

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