# endoskeleton

> English word · Noun

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

## Etymology
From endo- + skeleton.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/endoskeleton