statocyst

(redirected from Balance organs)
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statocyst

(stăt′ə-sĭst′)
n.
A small organ of balance in many invertebrates, consisting of a fluid-filled sac containing statoliths that stimulate sensory cells and help indicate position when the animal moves.

statocyst

an organ of balance in which a STATOLITH (2) rests amongst hairlike projections of sensory cells. A change in position of the animal moves the statolith against a receptor, sending a nervous impulse to the central nervous system.