exoskeleton

1. The exterior protective or supporting structure or shell of many animals (especially invertebrates) including bony or horny parts such as nails or scales or hoofs (synset 105594409)
   referred to in: invertebrate - any animal lacking a backbone or notochord; the term is not used as a scientific classification
   is a type of:

   • body covering - any covering for the body or a body part
   • frame, skeletal system, skeleton, systema skeletale - the hard structure (bones and cartilages) that provides a frame for the body of an animal
   subtypes: plastron - (zoology) the part of a turtle's shell forming its underside

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