Otolith
Otolith O"to*lith, Otolite O"to*lite, n. [Oto- + -lith, -lite.] (Anat.) One of the small bones or particles of calcareous or other hard substance in the internal ear of vertebrates, and in the auditory organs of many invertebrates; an ear stone. Collectively, the otoliths are called ear sand and otoconite. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Otolith — organs showing detail of utricle, ococonia, endolymph, cupula, macula, hair cell filaments, and saccular nerve …   Wikipedia

  • otolith — [ōt′ō lith΄] n. [ OTO + LITH] 1. a tiny, bonelike particle or stony, platelike structure in the internal ear of lower vertebrates 2. a similar calcareous concretion in the statocyst of many invertebrates otolithic adj …   English World dictionary

  • Otolith — Otolithen eines Adlerfischs (von oben nach unten: Maßstab in mm, Innenseite, Außenseite) Otolit …   Deutsch Wikipedia

  • otolith — noun Etymology: French otolithe, from ot + lithe lith Date: circa 1836 a calcareous concretion in the inner ear of a vertebrate or in the otocyst of an invertebrate • otolithic adjective …   New Collegiate Dictionary

  • otolith — a free body in the inner ear used for perception of acceleration including gravity. Composed of aragonite, a form of calcium carbonate, with up to 10% otolin, a protein. The lapillus lies in the utricle, the sagitta in the saccule, and the… …   Dictionary of ichthyology

  • otolith — see statolith …   Dictionary of invertebrate zoology

  • otolith — /oht l ith/, n. 1. Anat., Zool. a calcareous concretion in the internal ear of vertebrates. 2. statolith (def. 1). [1825 35; OTO + LITH] * * * …   Universalium

  • otolith — noun A small particle, comprised mainly of calcium carbonate, found in the inner ear of vertebrates, being part of the balance sense. Syn: otoconium, otosteon, statoconium, statolith …   Wiktionary

  • Otolith — Oto|lith 〈m. 16; Med.〉 Steinchen im Gleichgewichtsorgan [<grch. ous, Gen. otos „Ohr“ + lithos „Stein“] * * * Oto|lith [auch: ...lɪt], der; s u. en, e[n] [↑ lith] (Med.): kleiner prismatischer Kristall aus kohlensaurem Kalk im… …   Universal-Lexikon

  • otolith — oto·lith ōt əl .ith n a calcareous concretion in the inner ear of a vertebrate or in the otocyst of an invertebrate that is esp. conspicuous in many bony fishes where it forms a hard body and in most of the higher vertebrates where it is… …   Medical dictionary

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