periodontium

(redirected from peridental membrane)
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per•i•o•don•tium

(ˌpɛr i əˈdɒn ʃəm, -ʃi əm)

n., pl. -tia (-ʃə, -ʃi ə)
the bone, connective tissue, and gum surrounding and supporting a tooth.
[1955–60; peri- + -odont + -ium2]