arbor vitae is composed of grey matter neurogilal cells white matter both (1) & (2)

Thearbor vitae is thecerebellarwhite matter, so called for its branched, tree-like appearance. In some ways it more resembles a fern and is present in both cerebellar hemispheres.It brings sensory and motor information to and from thecerebellum. The arbor vitae is located deep in the cerebellum.

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Apoorva Arora
IIT Roorkee
askIITians Faculty