endoskeletal

E1N1D2O1S1K5E1L1E1T1A1L1

adjective

Of or pertaining to an internal skeleton, usually of bone (an endoskeleton).

Opposite
exoskeletal
OriginEnglish skeletal ← Proto-Indo-European *h₂élisder.? ← Ancient Greek ἔνδον (éndon) →
Scrabble 17
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Meanings

adjectiveendoskeletal (not comparable)
  1. not comparableanatomyOf or pertaining to an internal skeleton, usually of bone (an endoskeleton).

    All of these studies have presupposed acanthodian monophyly and stereotyped acanthodian endoskeletal morphology on Acanthodes, the latest-occurring, and a highly apomorphic genus.

    2009 January 15, Martin D. Brazeau, “The braincase and jaws of a Devonian 'acanthodian' and modern gnathostome origins”, Nature Volume 457 No. 7227, doi:10.1038/nature07436

Synonyms & antonyms

Opposite
exoskeletal

Origin

  1. Proto-Indo-European*h₁n̥dóm
  2. Proto-Hellenic*éndon
  3. Ancient Greekἔνδον (éndon)
  4. Englishendo-
  5. Englishskeleton
  6. Proto-Indo-European*h₂el-
  7. Proto-Indo-European*h₂élisder.?
  8. Englishskeletal
  9. Englishendoskeletal

From endo- + skeletal.

Full word history & related roots →

Translations

French endosquelettique
  • endosquelettiqueOf, or pertaining to an endoskeleton
Italian endoscheletrico
  • endoscheletricoOf, or pertaining to an endoskeleton
Cite this entry
APA

endoskeletal. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/endoskeletal

MLA

“endoskeletal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/endoskeletal. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “endoskeletal,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/endoskeletal.

Source: endoskeletal on Wiktionary, CC BY-SA 4.0.