A comparative study of cytoarchitectonics and chemoarchitectonics of the cerebral cortex of the guinea pig

Abstract

The histochemical distribution of succinic dehydrogenase in the guinea pig's cerebral cortex is compared with the cytoarchitectonics in restained sections. The cytoarchitectonic subdivision of the cortex is paralleled by gradations of enzymic activity which can be substantiated by densitometric measurements. The typical histochemical patterns of several representative regions are described. The histochemical pattern of succinic dehydrogenase may be regarded as a parameter of the general oxidative metabolic rate of a region.