Difference between revisions of "hydrostatic system"

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Latest revision as of 23:35, 13 September 2013

hydrostatic system: (Bryozoa: Gymnolaemata) A method of protrusion of the lophophore in some autozooids; made up of flexible frontal wall or infolded frontal wall sac and attached parietal muscles which contract and raise the lophophore by hydrostatic pressure in the autozooid.