otolith definition

  • noun:
    • one of the most significant small calcareous particles based in the internal ear of vertebrates plus the statocysts of numerous invertebrates. Also known as statolith.
    • a little particle, made up mainly of calcium carbonate, found in the inner ear of vertebrates, being an element of the stability feeling.
    • the little bones or particles of calcareous or other hard material in internal ear of vertebrates, plus the auditory organs of several invertebrates; an ear stone. Collectively, the otoliths are called ear sand and otoconite.
    • A calcareous concretion in the membranous labyrinth associated with the ear.
    • One of the appropriate otic bones of some creatures, as particular fishes; an otosteon. See slices under Esox and Python.

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