MedlinePlus Medical Encyclopedia: Fusion of the ear bones

Skip navigation


Medical Encyclopedia
Other encyclopedia topics:	A-Ag Ah-Ap Aq-Az B-Bk Bl-Bz C-Cg Ch-Co Cp-Cz D-Di Dj-Dz E-Ep Eq-Ez F G H-Hf Hg-Hz I-In Io-Iz J K L-Ln Lo-Lz M-Mf Mg-Mz N O P-Pl Pm-Pz Q R S-Sh Si-Sp Sq-Sz T-Tn To-Tz U V W X Y Z 0-9

Fusion of the ear bones

Contents of this page:
Illustrations Definition	Causes Symptoms

Illustrations

Ear anatomy

Medical findings based on ear anatomy

Definition Return to top

Fusion of the ear bones is the joining of the bones of the inner ear -- the incus, malleus, and stapes bones.

Causes Return to top

Fusion may be caused by:

Birth (congenital) defect
Infection
Injury

Symptoms Return to top

Fusion of the bones leads to hearing loss, because the bones are not moving and vibrating in reaction to sound waves.

Update Date: 10/10/2008

Updated by: Alan Lipkin, MD, Otolaryngologist, Private Practice, Denver, Colorado. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. Copyright 1997-2009, A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.