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单词 Gonial angle
释义

Gonial angle

英语百科

Mandible

Mandible. Lateral surface. Side view.
Mandible. Medial surface. Side view.
A panoramic radiographic reveals the mandible, including the heads and necks of the mandibular condyles, the coronoid processes of the mandible, as well as the nasal antrum and the maxillary sinuses.

The mandible lower jaw, or jawbone (from Latin mandibula, "jawbone") in the human, is the largest, strongest and lowest bone in the face. It forms the lower jaw and holds the lower teeth in place. In the midline on the anterior surface of the mandible is a faint ridge, an indication of the mandibular symphysis, where the bone is formed by the fusion of right and left processes during mandibular development. Like other symphyses in the body, this is a midline articulation where the bones are joined by fibrocartilage, but this articulation fuses together in early childhood.

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