上皮 うわかわ Also written じょうひ Meanings Noun, の-adjective outer layer (e.g. of skin); cuticle; epidermis; bark; rind; crust; film (on the surface of a liquid); scum epithelium (esp. じょうひ) Kanji 上 up. Read as うわ. 皮 skin. Read as かわ. Jinuma: Japanese Dictionary · Word lists