English中文EspañolFrançais
gum /ˈɡʌm/ n

中文：牙龈

中文 · 牙龈Español · encíaFrançais · gencive
Meaning：Thick section of the mucous membrane of the mouth that is rich in blood vessels and nerves; it covers the edge of the dental alveolus and adheres to the neck.
▶ Start interactive picture-tap lesson

Found in these illustrated scenes（3）

Molar cross-section Molar cross-section Oral cavity

‹ Browse all scenes