white matter of cerebellum arbor vitae NLXANAT:20090101 UBERON:0027333 arbor vitae The white matter contained within the cerebellum, lying deep to the granule cell layer in the cerebellar cortex, excluding the parts of the cerebellar peduncles that extend outside of the cerebellum. The deep cerebellar nuclei are embedded within the arbor vitae. neuronames:692