part of part of has part has part has_part dorsal to sensory neuron embryonic structure neural tube mantle layer sulcus limitans of neural tube neural tube alar plate alar lamina The mantle layer of the neural tube that lies dorsal to the sulcus limitans and contains primarily sensory neurons and interneurons involved in communication of sensory impulses. dorsal part of neural tube Wikipedia:Alar_plate UBERON:0005882 alar plate neuronames:1370 alar plate of neural tube sensory part of neural tube