Histochemical Studies on the Succinic Dehydrogenase in the Cochlea

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概要

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• The histochemical methods for succinic dehydrogenase in the cochlea were discussed, and some interesting results were obtained.Neotetrazolium reagent does not reach the stria vascularis from the scala media through its normal endolymphatic surface.This barrier may be destructed two hours after death, permitting free pass of the reagent through it.It is vary interesting that in such case the endocochlear potential may disappear and some metabolic activities, such as oxygen consumption and glucose utilisation in the tissue, are severely affected.Owing to the present examination, the application of freezing the cochlea prior to cutting by means of a microtome is advisable for the purpose of observation of the real distribution of the enzyme in the entire cochlea.According to this procedure, the enzyme of the stria vascularis was Observed to be less concentrated in the upper turns of the cochlea than in the lower turns.

• 耳鼻咽喉科臨床学会の論文

著者

• 吉川 由絵

  新潟大学耳鼻咽喉科学教室

関連論文

• Histochemical Studies on the Succinic Dehydrogenase in the Cochlea

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