Plate 10.185 Developing Tooth
Ronald A. Bergman, Ph.D., Adel K. Afifi, M.D., Paul M. Heidger,
Peer Review Status: Externally Peer Reviewed
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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