Epithelial tissue wani nau'in nau'in nama ne na dabba wanda ke rufe saman ciki da waje na jiki, gami da fata, rufin hanyoyin narkewar abinci da na numfashi, da gland. Ya ƙunshi sel masu cike da kud da kud waɗanda aka jera su a cikin jeri ɗaya ko fiye, kuma yana yin ayyuka iri-iri, gami da kariya, sha, ɓoyewa, da jin daɗi. Epithelial tissue yana da alaƙa da ikonsa na sake farfadowa da sauri da kuma kasancewar maɗaukakin maɗaukaki waɗanda ke hana motsin abubuwa tsakanin sel.