Posterior bony ampulla
Ampulla ossea posterior
Definition
The lower end of the posterior semicircular canal is ampullated (Posterior bony ampulla) and opens into the lower and back part of the vestibule, its upper into the crus commune with the anterior semicircular canal.
References
This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).
