【医】 gingival crevice; subgingival space
gum
【医】 gingiva; gingivae; gingivo-; gum; oula; ula; ule-; ulo-
below; descend; down; give birth to; give in; go to; leave off; lower; next
take
【医】 cata-; hyp-; infra-; kat-; sub-
crack; crevice; gap; interval; opportunity; rift
【化】 opening
【医】 gap; space; spatia; spatium; split