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endoskeleton

[en-doh-skel-i-tn] /ˌɛn doʊˈskɛl ɪ tn/
noun, Zoology
1.
the internal skeleton or framework of the body of an animal (opposed to exoskeleton).
Origin of endoskeleton
1830-1840
1830-40; endo- + skeleton
Related forms
endoskeletal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for endoskeleton
Contemporary Examples
Historical Examples
  • Similar spines are found in many Elasmobranchs, but they are simply inserted in the flesh, not articulated to the endoskeleton.

    The Vertebrate Skeleton Sidney H. Reynolds
  • The endoskeleton is cartilaginous and true bone is never found.

    The Vertebrate Skeleton Sidney H. Reynolds
  • The various bones composing the endoskeleton are united to one another either by sutures or by movable joints.

    The Vertebrate Skeleton Sidney H. Reynolds
  • Perhaps the most striking feature of the endoskeleton of birds is its pneumaticity.

    The Vertebrate Skeleton Sidney H. Reynolds
  • The alien had an endoskeleton, but he also had a hide that was like somewhat leathery chitin.

    Anything You Can Do Gordon Randall Garrett
  • The alien had an endoskeleton, but he also had a tough hide that was somewhat like thick, leathery chitin.

    Anything You Can Do ... Gordon Randall Garrett
  • The endoskeleton of the Newt, though ossified to a considerable extent, is more cartilaginous than is that of the frog.

    The Vertebrate Skeleton Sidney H. Reynolds
  • The skeleton of the Mammalia consists almost solely of the endoskeleton.

  • Bone is in many cases exoskeletal, but it will be most conveniently described with the endoskeleton.

    The Vertebrate Skeleton Sidney H. Reynolds
British Dictionary definitions for endoskeleton

endoskeleton

/ˌɛndəʊˈskɛlɪtən/
noun
1.
the internal skeleton of an animal, esp the bony or cartilaginous skeleton of vertebrates Compare exoskeleton
Derived Forms
endoskeletal, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for endoskeleton
n.

1838, from endo- + skeleton.

Online Etymology Dictionary, © 2010 Douglas Harper
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endoskeleton in Medicine

endoskeleton en·do·skel·e·ton (ěn'dō-skěl'ĭ-tn)
n.
An internal supporting skeleton, derived from the mesoderm, that is characteristic of vertebrates and certain invertebrates.


en'do·skel'e·tal (-ĭ-tl) adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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endoskeleton in Science
endoskeleton
  (ěn'dō-skěl'ĭ-tn)   
The internal supporting framework of humans and other vertebrates, usually made of bone. Certain invertebrates, such as sponges and echinoderms, also have endoskeletons. Compare exoskeleton.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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