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1. The dead skin at the base of a fingernail or toenail
    
2. The outer layer of the skin covering the exterior body surface of vertebrates
   - epidermis
    
3. Hard outer covering or case of certain organisms such as arthropods and turtles
   - carapace, shell, shield

Derived forms: cuticles

Type of: cutis, scute, skin, stratum, tegument

Part of: arthropod, cutis, mollusc, mollusk, shellfish, skin, tegument, turtle

Encyclopedia: Cuticle