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Histological Typing of Odontogenic Tumours

Histological Typing of Odontogenic Tumours - WHO. World Health Organization. International Histological Classification of Tumours

2nd ed

Paperback (06 Feb 1992)

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Publisher's Synopsis

Inter-relationships of the Dental Tissues The tooth germ has three main components -the enamel organ, the dental papilla and the dental follicle (Fig. 1). The enamel organ is an epithelial structure derived from the ectoderm that lines much of the oral cavity. The dental papilla and the dental follicle are ectomesen- chymal (mesectodermal), being partly derived from cells that mi- grated from the neural crest early in embryogenesis. Both the gross morphology of the tooth germ and the differentiation of its cells de- pend upon a complex pattern of inductive interactions between the epithelium and the ectomesenchyme. The sites in which the teeth will form appear to be determined before the commencement of epithelial downgrowth from the oral epithelium to form the odontogenic epithelium. This epithelial downgrowth (the dental lamina ), the development of the enamel or- gans of the individual teeth, and the morphology of each enamel organ, are controlled by the ectomesenchyme. The enamel organ is responsible for the formation of enamel and comprises four layers: outer dental epithelium, stellate reticulum, stratum intermedium and inner dental epithelium (Figs. 1 and 2a).

Book information

ISBN: 9783540541424
Publisher: Springer Berlin Heidelberg
Imprint: Springer
Pub date:
Edition: 2nd ed
DEWEY: 616.9923140012
DEWEY edition: 20
Language: English
Number of pages: 118
Weight: 258g
Height: 172mm
Width: 246mm
Spine width: 12mm