Arbor vitae (anatomy)

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Brain: Arbor vitae (anatomy)
Figure 3: Cerebellum and surrounding regions; sagittal view of one hemisphere. A: Midbrain. B: Pons. C: Medulla. D: Spinal cord. E: Fourth ventricle. F: Arbor vitae. G: Tonsil. H: Anterior lobe. I: Posterior lobe.
Sagittal section of the cerebellum, near the junction of the vermis with the hemisphere. ("arbor vitae" visible as white space to left, but not labelled.)
Latin	arbor vitae cerebelli
Gray's	subject #187 791
NeuroNames	hier-689
Dorlands/Elsevier	a_56/12149382

The arbor vitae (Latin for "Tree of Life") is the cerebellar white matter, so called for its branched, tree-like appearance. It brings sensory and motor information to and from the cerebellum.

[edit] External links

• Bioweb at UWLAX aplab
• BrainMaps at UCDavis Cerebellum

v • d • e Brain: Metencephalon/rhombencephalon - cerebellum (hindbrain) 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) Granule cell layer (Golgi cell, Granule 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