上皮組織 shàngpízǔzhī epithelial tissue Origin Definitions Defs Strokes Stroke Words Sentences Sents 上皮 shàngpí epithelium; epidermis (anatomy) epithelium; epithelial tissue; the outer surface layer of the skin (epidermis); abbreviation for 上皮组织 shàngpízǔzhī组织 組織 zǔzhī noun tissue (biology) A group of similar cells and their products that work together to perform a specific function.