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statocyst - 2 dictionary results

stat⋅o⋅cyst

[stat-uh-sist]
–noun Zoology.
(in certain invertebrates) a sense organ consisting of a sac enclosing sensory hairs and particles of sand, lime, etc., that functions in maintaining equilibrium, serving to indicate position in space.

Origin:
1900–05; stato- (see statoblast ) + -cyst
stat·o·cyst   (stāt'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. Also called otocyst.
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