part of part of contributes to morphology of cell layer brain telencephalic ventricle postnatal subventricular zone lateral ventricle subependymal layer EMAPA:35489 MA:0000965 Wikipedia:Subependymal_zone UBERON:0010404 A cell layer below the ependyma in the lateral ventricles of the brain. This region contains adult neural stem cells which have the potential to generate new neurons and glial cells via neurogenesis. It is an adult version of the embryonic forebrain germinal zone.