from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The structure formed by invagination of the embryonic ectodermal tissue that develops into the inner ear.
  • n. See statocyst.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An organ involved in balance and orientation.
  • n. The precursor of the inner ear.

from the GNU version of the Collaborative International Dictionary of English

  • n. 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.

from The Century Dictionary and Cyclopedia

  • n. In zoology, an auditory vesicle; any cavity or cyst which contains the essential parts of an organ of hearing; especially, the auditory vesicle or capsule of some of the Invertebrata, often containing otoliths, and subservient to the function of audition.


from Wiktionary, Creative Commons Attribution/Share-Alike License

oto- +‎ cyst



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