(definition) by Webster 1913 Wed Dec 22 1999 at 0:54:40

Lith"o*cyst (?), n. [Litho- + cyst.] Zool.

A sac containing small, calcareous concretions (otoliths). They are found in many Medusae, and other invertebrates, and are supposed to be auditory organs.

 

© Webster 1913.

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