Horizontal fissure of cerebellum

Horizontal fissure of cerebellum
Upper surface of the cerebellum.
Sagittal section of the cerebellum, near the junction of the vermis with the hemisphere.
Details
Identifiers
Latin	fissura (or sulcus) horizontalis (cerebelli)
NeuroNames	hier-658
NeuroLex ID	Horizontal Fissure
TA	A14.1.07.209
FMA	75135
*Anatomical terms of neuroanatomy* [edit on Wikidata]

The largest and deepest fissure in the cerebellum is named the horizontal sulcus (or horizontal fissure).

It commences in front of the pons, and passes horizontally around the free margin of the hemisphere to the middle line behind, and divides the cerebellum into an upper and a lower portion.

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

External links

NIF Search - Horizontal Fissure via the Neuroscience Information Framework

Anatomy of the cerebellum

Surface

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

Grey matter

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

White matter

Internal	Arbor vitae

Peduncles	Inferior (medulla): Dorsal spinocerebellar tract Olivocerebellar tract Cuneocerebellar tract Juxtarestiform body (Vestibulocerebellar tract) Trigeminocerebellar fibers Middle (pons): Pontocerebellar fibers Superior (midbrain): Ventral spinocerebellar tract Dentatothalamic tract

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