Endoskeleton

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The internal skeleton of an animal, which in vertebrates is composed of bone and cartilage.

    "This is the case not only with all forms provided with exoskeleta and endoskeleta, into the composition of which lime largely enters, but also with those which exercise the precipitating effect on the calcium salts they absorb from sea water, the precipitation rarely going so far as to form a distinct deposit in the cells or tissues of the organism."

  2. 2
    the internal skeleton; bony and cartilaginous structure (especially of vertebrates) wordnet

Example

More examples

"This is the case not only with all forms provided with exoskeleta and endoskeleta, into the composition of which lime largely enters, but also with those which exercise the precipitating effect on the calcium salts they absorb from sea water, the precipitation rarely going so far as to form a distinct deposit in the cells or tissues of the organism."

Etymology

From endo- + skeleton.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.