The strip of hardened skin at the base and sides of a fingernail or toenail.
A noncellular protective covering outside the epidermis of many invertebrates and plants.
A thin skin formed on the surface of a liquid.
The outermost layer of the skin of vertebrates; the epidermis.
Dead or cornified epidermis.
An outer layer of skin.
The outermost layer of cells in a developing embryo.