Nail plate: The hard, translucent part of the nail made of keratin, providing a protective surface for the tips of fingers and toes.
Cuticle: The thin layer of dead skin at the base of the fingernail or toenail that helps protect new nails from bacteria when they grow out from the nail root.
Keratin:A tough, fibrous protein found in nails, hair, and outer skin layers, providing strength and resilience to these structures