All of the following cells are of endodermal origin except:
High-Yield Explanation
Endodermal derivatives: Epithelial lining of respiratory tract, lungs, gut, bladder,part of urethra; parenchymal cells of tonsils,thymus, thyroid, parathyroid, liver, pancreas; epithelial lining of tympanic cavity and auditory tube. Odontoblasts are derived from neural crest derived ectomesenchyme.