Publisher's Synopsis
Excerpt from The Comparative Anatomy of the Teeth of the Vertebrata
Commonly, teeth are defined as hard bodies attached to the parietes of the mouth or oral extremity of the alimentary canal, whose chief function is the seizure and comminution of the food. Morphologically considered, however, they are specialized dermal appendages situated in the buccal cavity, and characterized by the presence of certain calcified tissue developed from the true derm or corium of the integument, known as dentine. It will be seen from this definition that the term tooth, strictly speaking, is limited to those structures of the oral cavity which alone possess such tissue, although it is a recognized fact that to other epithelial or cuticular structures, found in many inverte brate and some few vertebrate forms, the term tooth has likewise been applied.
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