释义 |
cementum
ce·men·tum C0194200 (sĭ-mĕn′təm) also ce·ment (-mĕnt′)n. A bonelike substance covering the root of a tooth. [New Latin, from Latin caementum, rough stone; see cement.]cementum (sɪˈmɛntəm) n (Anatomy) a thin bonelike tissue that covers the dentine in the root of a tooth[C19: New Latin, from Latin: cement]ce•men•tum (sɪˈmɛn təm) n. the bonelike tissue that forms the outer surface of the root of a tooth. [1605–15; < Latin, variant of caementum rough stone; see cement] ThesaurusNoun | 1. | cementum - a specialized bony substance covering the root of a toothcementsolid body substance - the solid parts of the bodytooth root, root - the part of a tooth that is embedded in the jaw and serves as support | TranslationsCementum
cementum[si′men·təm] (histology) cement (medicine) A tissue closely resembling bone which covers the root of a tooth. Cementum the bony tissue that covers the root and neck of a tooth in mammals and humans. The cementum keeps the tooth firmly in its socket. Like other structures containing collagenous fibers, cementum is elaborated by special cells. The cells, known as cementoblasts, are buried deep in the cementum and are converted into cementocytes. Cementum contains 29.6 percent organic matter, 57 percent calcium phosphate, 8 percent calcium carbonate, 1.2 percent calcium fluoride, and 1 percent magnesium fluoride. cementum
cementum [se-men´tum] the bonelike connective tissue covering the root of a tooth and assisting in tooth support. Cementum covering the anatomical root of an anterior tooth. Dorland's, 2000. ce·ment (sē-ment'), [TA] 1. A layer of bonelike, mineralized tissue covering the dentin of the root and neck of a tooth that anchors the fibers of the periodontal ligament. Synonym(s): cementum [TA]2. In dentistry, a nonmetallic material used for luting, filling, or permanent or temporary restorative purposes, made by mixing components into a plastic mass that sets, or as an adherent sealer in attaching various dental restorations in or on the tooth. [L. caementum, rough quarry stone, fr. caedo, to cut] cementum (sĭ-mĕn′təm) also cement (-mĕnt′)n. A bonelike substance covering the root of a tooth.ce·men·tum (sĕ-men'tŭm) [TA] A layer of bonelike mineralized tissue covering the dentin of the root and neck of a tooth that blends with the fibers of the periodontal ligament. [L. caementum, rough quarry stone, fr. caedo, to cut]cementum The layer of calcified substance covering the root of a tooth.ce·ment (sĕ-ment') [TA] 1. In dentistry, nonmetallic material used for luting, filling, or permanent or temporary restorative purposes, made by mixing components into a plastic mass that sets, or as an adherent sealer in attaching various dental restorations in or on the tooth. Synonym(s): cementum [TA] . 2. A layer of bonelike, mineralized tissue covering dentin of root and neck of a tooth that anchors fibers of the periodontal ligament. [L. caementum, rough quarry stone, fr. caedo, to cut]cementum Related to cementum: acellular cementumSynonyms for cementumnoun a specialized bony substance covering the root of a toothSynonymsRelated Words- solid body substance
- tooth root
- root
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