The<unk>  (or<unk>  lamina) is a neural structure in the embryonic nervous system, part of the dorsal side of neural tube, that involves the communication of general somatic and general visceral sensory impulses. It<unk> r becomes a sensory region and part of the spinal cord.
Alar plate
Rayon
Hinge joint
Greater burdock
Head of radius
Agar plate
Jaw
Metatarsus