“连接体”用英语怎么说？

义齿各部位出现铸造缺陷机率:卡环小连接体处较高, 下颌高于上颌.The incidence of casting defect is higher in the clasp and minor connecter, mandibular than maxillary.它们被分成两个或三个明显的体部, 并连接体节的附肢.They have segmented with two or three distinct parts, and jo...