What is the most abundant exitatory neurotransmitter in CNS? What mechanisms behind its effects?

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CONCLUSION. THANKS FIOR THE ANSWER. Glutamate ,an exitatory amino acid neurotransmitter,is synthesized from alpha- ketoglutarate by transamination and from glutamine by the enzyme glutamine.After releasefrom the presynaptic terminal, its most important effects are at N - metyyl- D - aspartate(NMDA)receptors. The receptors ate thought to be critically involved in processes underlying learning and memory and ( if excessively stimulated) may contribute to Ca+- dependent processes that mediate neuronal injury

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