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 represented by a mass of small calcareous otoconia called also statolith
oto·lith·ic .ōt-əl-'ith-ik adj

* * *

one of the small particles of calcium carbonate associated with a macula in the saccule or utricle of the inner ear.

* * *

oto·lith (oґto-lith″) [oto- + -lith] 1. statoconium. a 2. calcareous mass in the internal ear of vertebrates or in the otocyst of invertebrates.

Medical dictionary. 2011.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

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

  • 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.… …   The Collaborative International Dictionary of English

  • 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 microchemical analysis — is a technique used in fisheries management and fisheries biology to delineate stocks and characterize movements, and natal origin of fish. The concentrations of elements and isotopes in otoliths are compared to those in the water in which the… …   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

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”