Lithocyst
Lithocyst (lith"o*sist) , noun
[Litho- + cyst.]
(Zoology) A sac containing small, calcareous concretions (otoliths). They are found in many Medusa, and other invertebrates, and are supposed to be auditory organs.
Lithocyst (lith"o*sist) , noun
[Litho- + cyst.]