part of part of primary motor cortex layer of neocortex cortical layer V nervous system cell part layer primary motor cortex layer 5 Note that in some lamination schemes, more particularly so in primates, this layer is referred to as layer IV thus resulting in some confusion when compared to the present scheme where the lamina dissecans is referred to layer IV[DOI:10.1155/2008/381243] primary motor cortex layer V UBERON:0022315 NLX:144263 primary motor cortex lamina V