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Exoskeleton information


Discarded exoskeleton (exuviae) of dragonfly nymph
Exoskeleton of cicada attached to a Tridax procumbens (colloquially known as the tridax daisy)

An exoskeleton (from Greek έξω éxō "outer"[1] and σκελετός skeletós "skeleton"[2][3]) is a skeleton that is on the exterior of an animal to both support the body shape and protect the internal organs, in contrast to an internal endoskeleton (e.g. that of a human) which is enclosed underneath other soft tissues. Some large, hard and non-flexible protective exoskeletons are known as shell or armour.

Examples of exoskeletons in animals include the cuticle skeletons shared by arthropods (insects, chelicerates, myriapods and crustaceans) and tardigrades, as well as the outer shell of certain sponges and the mollusc shell shared by snails, clams, tusk shells, chitons and nautilus. Some vertebrate animals, such as the turtle, have both an endoskeleton and a protective exoskeleton.

  1. ^ Liddell, Henry George; Scott, Robert (1940). "ἔξω". A Greek-English Lexicon. Perseus Digital Library.
  2. ^ Liddell, Henry George; Scott, Robert (1940). "σκελετός". A Greek-English Lexicon. Perseus Digital Library.
  3. ^ Douglas, Harper (2001). "exoskeleton". Online Etymology Dictionary. Archived from the original on 20 April 2013.

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An exoskeleton (from Greek έξω éxō "outer" and σκελετός skeletós "skeleton") is a skeleton that is on the exterior of an animal to both support the body...

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Arthropod exoskeleton

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covered with a tough, resilient integument, cuticle or exoskeleton of chitin. Generally the exoskeleton will have thickened areas in which the chitin is reinforced...

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largely inelastic exoskeleton, it is shed during growth and a new, larger covering is formed. The remnants of the old, empty exoskeleton are called exuviae...

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A carapace is a dorsal (upper) section of the exoskeleton or shell in a number of animal groups, including arthropods, such as crustaceans and arachnids...

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ARTH-rə-pod) are invertebrates in the phylum Arthropoda. They possess an exoskeleton with a cuticle made of chitin, often mineralised with calcium carbonate...

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largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed...

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a mass of 20 kg (44 lb). Like other arthropods, crustaceans have an exoskeleton, which they moult to grow. They are distinguished from other groups of...

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horny claws, which also belong to the epidermal part of the exoskeleton. The dermal exoskeleton consists of bony scutes known as osteoderms that underlie...

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human abilities through technological augmentation, ranging from powered exoskeletons to advanced training regimens or (in fictional depictions) genetic modification...

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fluid-filled, hydrostatic skeletons, like jellyfish or worms. Others have hard exoskeletons, outer shells like those of insects and crustaceans. The most familiar...

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changed everything. I had this simple idea right in the beginning: this exoskeleton idea, a low-resolution-looking type of truck. And out of that side project...

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