hydrostatic skeleton
Quick Summary
A hydrostatic skeleton is a type of skeletal system found in many animals, particularly invertebrates, that relies on fluid pressure within a confined space to provide support and facilitate movement. This system is composed of a closed container with two layers of muscles oriented at right angles to each other, enclosing an incompressible fluid or gel.123
When one set of muscles contracts, it exerts pressure on the fluid, forcing it to move and stretch the opposing set of muscles. This alternating contraction and relaxation allows for changes in the animal's shape, enabling movements such as crawling, burrowing, or looping. Examples of animals that utilize hydrostatic skeletons include sea anemones, worms, and mollusks. This system is crucial for locomotion and maintaining body shape, though it can be less efficient if fluid is lost.32
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muscleMuscle in soft animals…called the principle of the hydrostatic skeleton.
Read More…called the principle of the hydrostatic skeleton.
Read More- muscleMollusks
…on the principle of the hydrostatic skeleton. In some cases, body fluids are involved; for example, the feet of clams are extended and inflated by the inflow of blood. In other cases the muscle itself serves as the incompressible element that must thicken as it shortens or become slender as…
Read More…on the principle of the hydrostatic skeleton. In some cases, body fluids are involved; for example, the feet of clams are extended and inflated by the inflow of blood. In other cases the muscle itself serves as the incompressible element that must thicken as it shortens or become slender as…
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