periodontium

/per-ee-uh-don-shuhm, -shee-uhm/US // ˌpɛr i əˈdɒn ʃəm, -ʃi əm //

牙周,牙周部,骨膜,骨盆

Definitions

n.名词 noun

1
plural per·i·o·don·tia [per-ee-uh-don-shuh, -shee-uh]. /ˌpɛr i əˈdɒn ʃə, -ʃi ə/.
- : the bone, connective tissue, and gum surrounding and supporting a tooth.