Body Substance
cementum Audio
ce·ment [ si-men-tuhm ]
Subclass of:
Tooth Components; Periodontium
Etymology:
Latin caementum; contracted from caedimentum; from caedere = to cut; hence a product of chipping or cutting
Definitions related to dental cementum:
  • (cementum) Bonelike rigid connective tissue covering the root of a tooth from the cementoenamel junction to the apex and lining the apex of the root canal, also assisting in tooth support by serving as attachment structures for the periodontal ligament.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • (cementum) Bone-like rigid connective tissue covering the root of a tooth from the cementoenamel junction to the apex and lining the apex of the root canal. It serves as an attachment for the periodontal ligament, thus assisting in tooth support.
    NCI
    U.S. National Cancer Institute, 2021
  • (cementum) The layer of tooth material that covers the root.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • The bonelike rigid connective tissue covering the root of a tooth from the cementoenamel junction to the apex and lining the apex of the root canal, also assisting in tooth support by serving as attachment structures for the periodontal ligament. (Jablonski, Dictionary of Dentistry, 1992)
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • (cementum of tooth) Substance of tooth produced by cementoblasts; surrounds the dentine of the root of the tooth.
    Foundational Model of Anatomy
    University of Washington, 2017
  • Cementum, in anatomy, thin layer of bonelike material covering the roots and sometimes other parts of the teeth of mammals. Cementum is yellowish and softer than either dentine or enamel. It is made by a layer of cementum-producing cells (cementoblasts) adjacent to the dentine. The fibres of the p...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2025
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