tooth
The definitions used in this glossary of terminology either have been provided by the authors of the articles, or have been extracted wholly or in part, or paraphrased from the following sources: The American Medical Association Encyclopedia of Medicine, Charles B. Clayman, MD, Medical Editor, Random House, New York, 1989; Biotechnology from A to Z, 2d Edition, William Bains, Oxford University Press, New York, New York, 2002; A Dictionary of Genetics, 6th Edition, Robert C. King and William D. Stansfield, Oxford University Press, New York, New York, 2002; Dorland's Illustrated Medical Dictionary, 29th and 30th Editions, W. B. Saunders Company, Philadelphia, 2000, 2003; Genes VII, Benjamin Lewin, Oxford University Press, New York, New York, 2000; The Gale Encyclopedia of Genetic Disorders, Volumes I and II, Stacey L. Blachford, Ed., Thomson Learning, New York, New York, 2002; The Merriam-Webster Dictionary, Merriam-Webster, Inc., Springfield, Massachusetts, 1997; Molecular Biology of the Cell, 3rd Edition, Bruce Alberts, et al., Garland Publishing, 1994; The Random House Dictionary of the English Language, Unabridged Edition, 1966; Webster's Ninth New Collegiate Dictionary, 1991.
DEFINITION:
- tooth
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1. Any of the hard calcified structures set in the alveolar processes of the mandible and maxilla for mastication of food. In humans, there are two sets of teeth ( dentes ), deciduous and permanent . Each tooth consists of three parts: the crown (See corona dentis ), the neck (See cervix dentis ), and the root (See radix dentis ). The solid part includes dentin , forming most of the tooth and resembling true bone; enamel a very hard inorganic substance, covering the crown; and cementum , covering the root. In the center is the soft pulp (See pulpa dentis ). See also dentition .
2. A structure resembling the tooth of an animal.
Used in 56 Term definitions
Used in 56 Term definitions