ODONTOBLAST

O‐don″to‐blast (?), n. [[Odonto- + -blast.]] 1. 1. (Anat.) One of the more or less columnar cells on the outer surface of the pulp of a tooth; an odontoplast. They are supposed to be connected with the formation of dentine.
2. 2. (Zoöl.) One of the cells which secrete the chitinous teeth of Mollusca.