Hydrostatic skeleton: This support system uses fluid held under pressure within body compartments.
Hydrostatic skeleton: A system of fluid-filled compartments under pressure that provides support in many invertebrates.
| Front | hydrostatic skeleton |
|---|---|
| Back | A skeletal system composed of fluid held under pressure in a closed body compartment; the main skeleton of most cnidarians, flatworms, nematodes, and annelids. |
Tags: ch.50
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