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  • Webster's Revised Unabridged Dictionary
    • Odontoblast (Zoöl) One of the cells which secrete the chitinous teeth of Mollusca.
    • Odontoblast (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.
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Century Dictionary and Cyclopedia
    • n odontoblast A cell by which dentine is developed; a cell which produces dentinal tissue, the special substance which largely composes teeth. They occur in the layers of well-defined cells on the surface of the dentinal wall of a tooth, constituting the so-called membrana eboris, and become converted into dentine by the process of calcification. An odontoblast differs from an osteoblast only in the result of its formative activity.
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Chambers's Twentieth Century Dictionary
    • n Odontoblast a cell by which dentine is developed
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Webster's Revised Unabridged Dictionary
Odonto-, + -blast,
Chambers's Twentieth Century Dictionary
Gr. odous, odontos, a tooth.


In literature:

Nerves, cells, blood-vessels, and odontoblasts have all shared the process of fibrication and are no longer recognizable.
"Scurvy Past and Present" by Alfred Fabian Hess