LYCOS RETRIEVER 
Deafness
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Other causes of sensorineural deafness include tumors of the brain or the middle ear, concussion, blows to the ear, and repeated loud sounds. The toxic effects of certain drugs can ... cause sensorineural deafness in some persons.
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Conduction deafness is caused by abnormalities of the pinna (external ear), ear canal, tympanic membrane (eardrum), auditory ossicles or middle ear. Waxy debris occluding the ear canal, tympanic membrane, and severe ear infections are all examples of diseases causing conduction deafness.
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Whites are commonly put down here too, not just because of the risk of deafness but because they are so difficult to home happily. They are bought cheap and regrettably are liable to be treated cheap, although many do find ideal homes.
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Further application in a range of other clinical cases of spinal cord injury is envisaged, including forms of stroke, blindness and deafness. Such successful application would revolutionise the treatment of hitherto incurable conditions and offer hope to a huge number of patients around the world.
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Inherited deafness in one or both ears occurs due to the degeneration of sensory inner ear structures (sensorineural deafness) within a few weeks of birth. This occurs in many breeds and is especially common in the dalmatian.
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Conduction deafness can be produced simply by putting your hands over your ears, or by wax or foreign bodies in the ear canal. Inflammation of the external canal can produce a similar effect.
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Deafness