- anatomy zoology a dome-shaped structure, esp the sensory structure within the semicircular canals of the ear
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Examples from the Web for cupula
Historical Examples of cupula
Castanea occurs about half way up, it is that species with rigid compound spines to the cupula.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.