Abstract
The brain is an exceedingly complex histological structure, and, while some information is available concerning the metabolism of brain as a whole, very little is known concerning the metabolism of its component parts. In view of morphological and functional differences within the nervous system, it seems likely that the axons, dendrites, and cell bodies, as well as glial elements and even homologous parts of different neurons, may differ in their metabolic capacity. Previous reports indicate marked differences in the quantitative distribution of a number of enzymes, as well as of lipide and phosphorus fractions (l-6).
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