- epidermis, cuticle - the outer layer of the skin covering the exterior body surface of vertebrates
--1 is a kind of stratum
--1 is a part of skin, tegument, cutis
--1 has parts:
--1 has particulars: mantle, palliumepidermal cell; stratum corneum, corneum, horny layer; stratum lucidum; stratum granulosum; stratum germinativum, stratum basale, malpighian layer, rete Malpighii - carapace, shell, cuticle - hard outer covering or case of certain organisms such as arthropods and turtles
--2 is a kind of exoskeleton
--2 is a part of mollusk, mollusc, shellfish; arthropod; turtle
--2 has substances: shell
--2 has particulars: cuticula