Definition: the investing and supporting connective tissue structure by which a tooth is anchored within its alveolus. It consists of bands of collagen fibers connecting the cement of the tooth to both gingival and alveolar bone and to the cement of adjacent teeth. Interspersed among the collagen fibers are loose connective tissue, blood vessels, lymphatic vessels, and nerves.
Synonym(s): peridental ligament
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Examples: glitazone, GI cocktail, etc.