Uberon definition : Neural tissue consisting of myelinated axons connecting grey matter areas of the central
nervous system.;
Uberon synonym : neuronal white matter; CNS tract/commissure; white substance; white matter of neuraxis;
Uberon related term : CNS tracts and commissures; white mater; CNS white matter;
Uberon Homology note : The myelination of axons by glial cells was the last major step in the evolution of
cells in the vertebrate nervous system, and white-matter tracts are key to the architecture
of the mammalian brain.[well established][VHOG];