cuticle

1. The dead skin at the base of a fingernail or toenail (synset 105589582)
   is a type of: cutis, skin, tegument - a natural protective body covering and site of the sense of touch
2. The outer layer of the skin covering the exterior body surface of vertebrates (synset 105247554)
   is a type of: stratum - one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock)
   subtypes: mantle, pallium - (zoology) a protective layer of epidermis in mollusks or brachiopods that secretes a substance forming the shell
   has:

   • epidermal cell - any of the cells making up the epidermis
   • corneum, horny layer, stratum corneum - the outermost layer of the epidermis consisting of dead cells that slough off
   • stratum lucidum - the layer of epidermis immediately under the stratum corneum in the skin of the palms and soles
   • stratum granulosum - the layer of epidermis just under the stratum corneum or (on the palms and soles) just under the stratum lucidum; contains cells (with visible granules) that die and move to the surface
   • malpighian layer, rete malpighii, stratum basale, stratum germinativum - the innermost layer of the epidermis
   is a part of: cutis, skin, tegument - a natural protective body covering and site of the sense of touch
   same as: epidermis
3. Hard outer covering or case of certain organisms such as arthropods and turtles (synset 101906397)
   is a type of: scute - large bony or horny plate as on an armadillo or turtle or the underside of a snake
   subtypes: cuticula - the outer body wall of an insect
   is a part of:

   • turtle - any of various aquatic and land reptiles having a bony shell and flipper-like limbs for swimming
   • arthropod - invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
   • mollusc, mollusk, shellfish - invertebrate having a soft unsegmented body usually enclosed in a shell
   substance holonym: shell - the material that forms the hard outer covering of many animals
   same as: carapace, shell, shield

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