Medical Dictionary

otocranium o·to·cra·ni·um (ō'tō-krā'nē-əm)
The bony case of the internal and middle ear consisting of the petrous portion of the temporal bone.

o'to·cra'ni·al adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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