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Pronunciation: ves'ti-byul


  1. A small cavity or a space at the entrance of a canal.
  2. Specifically, the central, somewhat ovoid, cavity of the osseous labyrinth communicating with the semicircular canals posteriorly and the cochlea anteriorly.

Synonym(s): vestibulumTA

[L. vestibulum]

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.