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auditory ossicles
au·di·to·ry os·si·cles


plural noun 
Definition:
 
bony chain in middle ear: three small bones in the middle ear that transform the low-impedance movement of the eardrum to a smaller, high-impedance movement of the fluid in the inner ear
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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