Main > Medical terms> Odynacusis


Odynacusis (acusalgia; Greek akusis – hearing + algos – pain; synonym: hearing painful) – emergence of pain at influence of a sound irritant which force is less than standard size of a threshold of painful sensitivity of an acoustic organ.

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The weight of a human brain makes about 2% of all body weight, however it consumes about 20% of the oxygen coming to blood. This fact does a human brain extremely susceptible to the damages caused by shortage of oxygen.