exoskeleton
noun Date: 1847 1. an external supportive covering of an animal (as an arthropod) 2. bony or horny parts of a vertebrate produced from epidermal tissues 3. an artificial external supporting structure • exoskeletal adjective

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Exoskeleton — Ex o*skel e*ton, n. [Exo + skeleton] (Anat.) The hardened parts of the external integument of an animal, including hair, feathers, nails, horns, scales, etc.,as well as the armor of armadillos and many reptiles, and the shells or hardened… …   The Collaborative International Dictionary of English

  • exoskeleton — 1847, from EXO (Cf. exo ) + SKELETON (Cf. skeleton). Introduced by English anatomist Sir Richard Owen (1804 1892) …   Etymology dictionary

  • exoskeleton — ► NOUN Zoology ▪ the rigid external covering of the body in insects and some other invertebrate animals …   English terms dictionary

  • exoskeleton — [eks΄ō skel′ə tən] n. any hard, external, secreted supporting structure, as the shell of an oyster or the cuticle of a lobster: cf. ENDOSKELETON exoskeletal [eks΄ō skel′ətəl] adj …   English World dictionary

  • Exoskeleton — The discarded exoskeleton of a dragonfly nymph An exoskeleton is the external skeleton that supports and protects an animal s body, in contrast to the internal skeleton (endoskeleton) of, for example, a human. In popular usage, some of the larger …   Wikipedia

  • exoskeleton — exoskeletal, adj. /ek soh skel i tn/, n. Zool. an external covering or integument, esp. when hard, as the shells of crustaceans (opposed to endoskeleton). [1840 50; EXO + SKELETON] * * * ▪ anatomy       rigid or articulated envelope that supports …   Universalium

  • exoskeleton — UK [ˈeksəʊˌskelɪt(ə)n] / US [ˈeksoʊˌskelɪt(ə)n] noun [countable] Word forms exoskeleton : singular exoskeleton plural exoskeletons biology a hard covering on the outside of organisms such as insects and crustaceans that provides support and… …   English dictionary

  • exoskeleton — hard parts on the body surface developed in the dermis, called membrane or dermal bones (scales, scutes, spines, plates, elements of the head and pectoral girdle, etc.). In bony fishes, many of these bones migrated to deeper layers below the… …   Dictionary of ichthyology

  • exoskeleton — noun A hard outer structure that provides both structure and protection to creatures such as insects and Crustacea …   Wiktionary

  • exoskeleton — 1. Hard parts, such as hair, teeth, nails, feathers, hooves, scales, etc., developed from the epidermis in vertebrates. SYN: dermoskeleton. 2. Outer chitinous envelope of an insect, or the chitinous or calcareous covering of certain Crustacea and …   Medical dictionary

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