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Neurons have three main parts: 1  Cell body or Soma: it is the main part of the cell, the one that makes all metabolism and functions. It is very similar to other body cells, except for the difference that neurons do not replicate.  Axon: it is the longest and most important part of the neuron, it transmit the impulse.
Abstract. Vitamin C is an essential factor for neuronal function and survival, existing in two redox states, ascorbic acid (AA), and its oxidized form, dehydroascorbic acid (DHA). Here, we show uptake of both AA and DHA by primary cultures of rat brain cortical neurons.e proposed that the ascorbic acid (AA) taken up by neurons is rapidly oxidized to dehydroascorbic acid (DHA), which inhibits glycolysis and activates the pentose phosphate pathway (PPP), consequently producing NADPH, a critical antioxidant in the recycling of oxidized glutathione (GSSG).