Uberon definition : Layer of neocortex lying deep to the external pyramidal cell layer defined cytoarchitecturally
by the presence of numerous small cells;
Uberon synonym : neocortical internal granule cell layer; neocortical layer IV; neocortex internal granule cell layer; internal granule cell layer of neocortex; internal granular layer of isocortex [layer iv]; neocortex layer IV; layer IV of neocortex; neocortex layer 4; internal granular layer of neocortex; layer 4 of neocortex; cerebral cortex, layer 4;