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endoskeleton

[en-doh-skel-i-tn]
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noun Zoology.
  1. the internal skeleton or framework of the body of an animal (opposed to exoskeleton).
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Origin of endoskeleton

First recorded in 1830–40; endo- + skeleton
Related formsen·do·skel·e·tal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for endoskeleton

Contemporary Examples

Historical Examples

  • The endoskeleton is cartilaginous and true bone is never found.

    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 teeth, which are most conveniently described with the endoskeleton.

    The Vertebrate Skeleton

    Sidney H. Reynolds

  • 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 alien had an endoskeleton, but he also had a hide that was like somewhat leathery chitin.

    Anything You Can Do

    Gordon Randall Garrett


British Dictionary definitions for endoskeleton

endoskeleton

noun
  1. the internal skeleton of an animal, esp the bony or cartilaginous skeleton of vertebratesCompare exoskeleton
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Derived Formsendoskeletal, 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

Word Origin and History for endoskeleton

n.

1838, from endo- + skeleton.

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Online Etymology Dictionary, © 2010 Douglas Harper

endoskeleton in Medicine

endoskeleton

(ĕn′dō-skĕlĭ-tn)
n.
  1. An internal supporting skeleton, derived from the mesoderm, that is characteristic of vertebrates and certain invertebrates.
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Related formsen′do•skele•tal (-ĭ-tl) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

endoskeleton in Science

endoskeleton

[ĕn′dō-skĕlĭ-tn]
  1. 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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.