tympanic bone
(in mammals) a bone of the skull, supporting the tympanic membrane and enclosing part of the tympanum or middle ear.
Origin of tympanic bone
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How to use tympanic bone in a sentence
The tympanic bone remains permanently distinct, and the anterior boundary of the tympanic cavity is formed by the alisphenoid.
The Vertebrate Skeleton | Sidney H. Reynoldstympanic bone not welded with the periotic, which is usually only attached to the rest of the skull by ligament.
The tympanic bone is preserved on the right side, though wanting on the left.
Through the Heart of Patagonia | H. Hesketh PrichardIn all the other genera of Dasypodinae the tympanic bone is a mere half-ring, loosely attached to the cranium.
British Dictionary definitions for tympanic bone
the part of the temporal bone in the mammalian skull that surrounds the auditory canal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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