A circumscribed dilation of one extremity of each of the three bony semicircular canals in the inner ear.
- osseous hydatid cyst,
- osseous labyrinth,
- osseous lacuna,
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.