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单词 Uletic
释义

Uletic

英语百科

Gums

A diagram of the periodontium. The crown of the tooth is covered by enamel (A). The root of the tooth is covered by cementum.  C,  alveolar bone.  D, subepithelial connective tissue.  E, oral epithelium.  F, free gingival margin.  G, gingival sulcus.  H, principal gingival fibers.  I, alveolar crest fibers of the periodontal ligament (PDL).  J, horizontal fibers of the PDL.  K, oblique fibers of the PDL.

The gingiva (sing. and plur.: gingivae), or gums, consist of the mucosal tissue that lies over the mandible and maxilla inside the mouth.

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更新时间:2025/6/19 8:26:20