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Sigma KEE - TympanicCavity
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tympanic cavity
The tympanic cavity is a small BodyCavity surrounding the bones of the middle ear. Within it sit the ossicles (InnerEarBone), three small Bones that transmit vibrations used in the detection of sound. On its lateral surface, it abuts the external auditory meatus [ AuditoryCanal ] from which it is separated by the tympanic membrane (eardrum).[from Wikipedia]
Relationships      
Parents body cavity Any BodyPart which contains an unfilled space, e.g. BodyVessels, the atria and ventricles of the heart, the lungs, etc.


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