otolith

• otolite

From oto- +‎ -lith, from Ancient Greek ὠτο- (ōto-), stem of οὖς (oûs, “ear”), and λίθος (líthos, “stone”).

otolith (plural otoliths)

 

English Wikipedia has articles on:

otolith and vestibular system

Wikipedia Wikipedia

1. (zoology) A small particle, comprised mainly of calcium carbonate, found in the inner ear of vertebrates, being part of the balance sense.

   Synonyms: otoconium, otosteon, statoconium, statolith

   Hyponyms: canalith, canalolith

Do not confuse otoliths (small stones in the inner ear as part of the vestibular sense) with ossicles (small bones in the middle ear as part of the auditory sense).

• otolithic
• otolithometry