part of has part developmentally induced by contributes to morphology of motor neuron notochord neural tube mantle layer neural tube basal plate basal plate AAO:0010561 NCIT:C34111 The region of the mantle layer of the neural tube that lies ventral to the sulcus limitans and contains primarily motor neurons and interneurons. motor part of neural tube ventral part of neural tube spinal cord basal plate EFO:0001904 basal plate of neural tube neuronames:1372 Wikipedia:Basal_plate_(neural_tube) embryonic tissue