hydrostatic skeleton Fluid-?lled closed chambers that give support and shape to the body in organisms such as jelly?sh and earthworms. No to be confused with the water-vascular system of echinoderms.
hydrostatic skeleton
(hy-droh-stat-ik)
A skeletal system composed of fluid held under pressure in a closed body compartment; the main skeleton of most cnidarians, flatworms, nematodes, and annelids.
hydroxyl group ...
Hydrostatic skeletons consist of fluid-filled closed chambers. Internal pressures generated by muscle contractions cause movement as well as maintain the shape of the animals, such as the sea anemone and worms.
hydrostatic skeleton . A mass of fluid or plastic parenchyma enclosed within a muscular wall to provide the support necessary for antagonistic muscle action; for example, ...
It can take the form of an internal bony skeleton as in vertebrates, an external calcareous or chitinous exoskeleton as in arthropods, a hydrostatic skeleton as in jellyfish , or that of a subcellular system of support.
 See also: Animals, Organ, Skeleton, Human, Trans
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