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carapace

carapace (kâr´əpās), shield, or shell covering, found over all or part of the anterior dorsal portion of an animal. In lobsters, shrimps, crayfish, and crabs, the carapace is the part of the exoskeleton that covers the head and thorax and protects the dorsal and lateral surfaces. In many crustaceans, the term carapace is also used to describe the hard, protective covering of the cephalothorax, as that of the horseshoe crab. The carapace of a turtle's shell is composed of expanded ribs and vertebrae overlain by dermal plates and horny scales.

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"carapace." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. 13 Dec. 2017 <http://www.encyclopedia.com>.

"carapace." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (December 13, 2017). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/carapace

"carapace." The Columbia Encyclopedia, 6th ed.. . Retrieved December 13, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/carapace

carapace

carapace
1. The domed top of a chelonian shell (Chelonia), composed of two layers:
a. an inner body capsule of interlocking plates (the median neurals associated with the vertebrae; the lateral costals associated with the ribs, and encircled by the marginals); and

b. a covering of horny scutes, forming a similar pattern but not corresponding exactly to the underlying bones.


2. See CEPHALOTHORAX.

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"carapace." A Dictionary of Zoology. . Encyclopedia.com. 13 Dec. 2017 <http://www.encyclopedia.com>.

"carapace." A Dictionary of Zoology. . Encyclopedia.com. (December 13, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/carapace

"carapace." A Dictionary of Zoology. . Retrieved December 13, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/carapace

carapace

carapace
1. The dorsal part of the exoskeleton of some crustaceans (e.g. crabs), which spreads like a shield over several segments of the head and thorax.

2. The domed dorsal part of the shell of tortoises and turtles, formed of bony plates fused with the ribs and vertebrae and covered by a horny epidermal layer. The ventral part of the shell (plastron) is similar but flatter.

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"carapace." A Dictionary of Biology. . Encyclopedia.com. 13 Dec. 2017 <http://www.encyclopedia.com>.

"carapace." A Dictionary of Biology. . Encyclopedia.com. (December 13, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/carapace-0

"carapace." A Dictionary of Biology. . Retrieved December 13, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/carapace-0

carapace

car·a·pace / ˈkarəˌpās/ • n. the hard upper shell of a turtle or crustacean.

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"carapace." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. 13 Dec. 2017 <http://www.encyclopedia.com>.

"carapace." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (December 13, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/carapace-0

"carapace." The Oxford Pocket Dictionary of Current English. . Retrieved December 13, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/carapace-0

carapace

carapace body-shell of tortoises, etc. XIX. — F. — Sp. carapacho, of unkn. orig.

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"carapace." The Concise Oxford Dictionary of English Etymology. . Encyclopedia.com. 13 Dec. 2017 <http://www.encyclopedia.com>.

"carapace." The Concise Oxford Dictionary of English Etymology. . Encyclopedia.com. (December 13, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/carapace-1

"carapace." The Concise Oxford Dictionary of English Etymology. . Retrieved December 13, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/carapace-1

carapace

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"carapace." Oxford Dictionary of Rhymes. . Encyclopedia.com. 13 Dec. 2017 <http://www.encyclopedia.com>.

"carapace." Oxford Dictionary of Rhymes. . Encyclopedia.com. (December 13, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/carapace

"carapace." Oxford Dictionary of Rhymes. . Retrieved December 13, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/carapace