oral epithelium epithelium of oral mucosa NCIT:C49595 TAO:0000816 EHDAA2:0001325 EMAPA:26942 XAO:0003201 CALOHA:TS-0715 VHOG:0000187 ZFA:0000816 UMLS:C1709332 EHDAA:2187 BTO:0001775 EMAPA:16839 MA:0000344 epithelium of mucosa of mouth An epithelium that is part of the mouth and lines the oral cavity, typically stratified squamous, and may be para-, ortho- or non- keratinized. Primary barrier between oral environment and deeper tissues. AAO:0010357 FMA:265152 epithelium of mucosa digestive tract epithelium