noun
epidermal cell
Technical term in biology for a cell of the epidermis, the outer layer of skin or plant tissue.
表皮細胞は、植物の葉の表面を覆っている。
Epidermal cells cover the surface of plant leaves.
ヒトの表皮細胞は、約28日周期で生まれ変わる。
Human epidermal cells are renewed approximately every 28 days.
表皮 is the epidermis (tissue layer), while 表皮細胞 specifically refers to the individual cells that make up that layer.
Compound of 表皮 (epidermis) + 細胞 (cell). The exact historical derivation is uncertain, but the term follows standard Sino-Japanese word formation patterns for biological terminology.