Otocyst O"to*cyst, n. [Oto- + cyst.] (Zo["o]l. & Anat.) An auditory cyst or vesicle; one of the simple auditory organs of many invertebrates, containing a fluid and otoliths; also, the embryonic vesicle from which the parts of the internal ear of vertebrates are developed. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • otocyst — [ōt′ō sist΄] n. [ OTO + CYST] 1. Embryology the hollow chamber of ectoderm that develops into the vertebrate inner ear 2. Zool. STATOCYST (sense 2) otocystic adj …   English World dictionary

  • otocyst — noun Etymology: International Scientific Vocabulary; from its probable auditory function Date: 1877 a fluid containing organ of many invertebrates that contains an otolith ; statocyst • otocystic adjective …   New Collegiate Dictionary

  • otocyst — a cyst or large vesicle that contains the otoliths. Divided into an upper portion with three semicircular canals and the utricle and a lower or vestibular portion containing the saccule and the lagena …   Dictionary of ichthyology

  • otocyst — see statocyst …   Dictionary of invertebrate zoology

  • otocyst — otocystic /oh teuh sis tik/, adj. /oh teuh sist/, n. 1. a statocyst. 2. See auditory vesicle. [1875 80; OTO + CYST] * * * …   Universalium

  • otocyst — noun a) An organ involved in balance and orientation. b) The precursor of the inner ear …   Wiktionary

  • otocyst — 1. Embryonic auditory vesicle. 2. A balancing organ, analogous to the utricle of mammals, possessed by certain invertebrates and containing grains of calcareous material or of sand. [oto + G. kystis, a …   Medical dictionary

  • otocyst — əʊtÉ™sɪst n. structure which develops into the adult inner ear; organ which helps maintain equilibrium in certain animals (Biology) …   English contemporary dictionary

  • otocyst — oto·cyst …   English syllables

  • otocyst — n. a small cavity in the mesoderm of the head of an embryo that later develops into the membranous labyrinth of the ear …   The new mediacal dictionary

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