Henry Gray (18251861). Anatomy of the Human Body. 1918.
Longitudinal section of the lower part of a growing tooth, showing the extension of the layer of adamantoblasts beyond the crown to mark off the limit of formation of the dentin of the root. (Röse.) ad. Adamantoblasts, continuous below with ep.sch., the epithelial sheath of Hertwig. d. Dentin. en. Enamel. od. Odontoblasts. p. Pulp.