Odontoblast /(?)/

O·don·to·blast

Odontoblast

n.
  1. 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. (Anat.)
  2. One of the cells which secrete the chitinous teeth of Mollusca. (Zool.)