+A **hydrostatic skeleton** is a flexible skeleton supported by the pressure of internal fluid. This fluid, often contained within a [coelom](/wiki/coelom), provides rigidity, allowing [muscle](/wiki/muscle) contractions to generate movement and change body shape. Many soft-bodied invertebrates use this system for support and locomotion.
+## See also
+- [Exoskeleton](/wiki/exoskeleton)
+- [Endoskeleton](/wiki/endoskeleton)
+- [Invertebrate](/wiki/invertebrate)
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