Abstract
Summary
The metabolism of the brain, as estimated by the glucose taken from blood in passing through it, is in agreement with that determined by analogous studies of oxygen and carbon dioxide changes. Brain metabolism so estimated is at least 20 times as intense as that of resting muscle. This average does not differentiate the higher respiration of gray matter from white, the large amount of non-neural elements, and similar factors tending to dilute a much higher value for the nerve cells proper. Insulin does not uniquely influence brain sugar utilization.
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