Abstract

Enzyme histochemical studies of the glycogen body of the turkey showed very little activity of suocinic dehydrogenase and cytochrome oxidase in the glycogen body cells, and marked activity of lactic dehydrogenase, NAD-diaphorase and the hexosemonophosphate shunt enzymes. Gradients of histochemical staining intensity for lactic and succinic dehydrogenase in the glycogen body and spinal cord were confirmed by biochemical assays of homogenates of these tissues. It was concluded that glycogen body metabolism is predominantly glycolytic. Alkaline phosphatase activity was weak; acid phosphatase activity was moderate. There was no acetyl cholinesterase or nonspecific cholinesterase activity in the glycogen body.

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