periodontium

n. [解]牙周组织(尤指牙周膜)

释义与例句

n.
  1. 1.

    The specialized tissues that both surround and support the teeth, maintaining them in the maxillary and mandibular bones; the tissues including alveolar bone, cementum, gums and periodontal ligament.

    不可数

词源

From peri- + Ancient Greek ὀδούς (odoús) + -ium.

来源：wiktionary