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Anatomy Atlases: Atlas of Microscopic Anatomy: Section 1 - Cells Atlas of Microscopic Anatomy: Section 10 - Digestive System

Plate 10.185 Developing Tooth

Ronald A. Bergman, Ph.D., Adel K. Afifi, M.D., Paul M. Heidger, Jr., Ph.D.
Peer Review Status: Externally Peer Reviewed


DEVELOPING TOOTH

Plate 10.185 Developing Tooth

Kitten, 10% formalin, H. & E., 40 x.

Internal enamel epithelium: A single layer of columnar cells. Cells here become the enamel-producing ameloblasts. A basement membrane separates the internal enamel epithelium from the dental pulp.

External enamel epithelium: A single layer of cuboidal epithelium.

Stratum intermedium: Two or more layers of cuboidal or squamous cells that separate the inner enamel epithelium from the stellate cells of the enamel pulp.

Enamel pulp: Or stellate reticulum, a collection of loosely arranged branching cells.

Enamel: Hardest substance in the body, composed of calcium salts in the form of apatite crystals and only 3 per cent organic material.

Dentin: Deposited by odontoblasts derived from dental pulp.

Dental pulp: Origin from dental papilla. Popularly but incorrectly called the nerve of the tooth.

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