tympanic bone

noun Anatomy, Zoology.
(in mammals) a bone of the skull, supporting the tympanic membrane and enclosing part of the tympanum or middle ear.

Origin:
1840–50

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To tympanic bone
Collins
World English Dictionary
tympanic bone
 
n
the part of the temporal bone in the mammalian skull that surrounds the auditory canal

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

tympanic bone n.
The bony ring in the fetus that develops after birth into the tympanic part of the temporal bone of the skull, partially enclosing the middle ear and supporting the eardrum. Also called tympanic ring.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Example sentences
Histology and growth of the cetacean petro-tympanic bone complex.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;