<prompt> A derivative of neural Crest isPara follicular cells of thyroidAdrenal crestSchwann cellsDorsal roo ganglia  <response>: Neural Crest Cells During elevation of the neural plate, a group of cells appears along each edge the crest of the neural folds Fig. 18.2. These neural crest cells are ectodermal in origin and extend throughout the length of the neural tube. In addition to forming sensory ganglia, cells of the neural crest differentiate into sympathetic neuroblasts, Schwann cells, pigment cells, odontoblasts, meninges, and mesenchyme of the pharyngeal arches. Ref: Langmans embryology; Pg 306 Mnemonic:SOME GAP S-Schwann cells -Skeleton of face O-odontoblasts M-Meningespia and arachnoid E-Endocardial cushion G-Gangliaautonomic and dorsal root ganglia A-Adrenal medulla -Aoicopulmonary septum P-Pigmant cellsmelanocytes -Pharyngeal archesnerves and cailage -parafollicular c cells of thyroid 