Statements that characterize neurotransmitters include: They bind to receptors, alter the physiology of postsynaptic cells, are released in response to stimuli, and are synthesized by presynaptic neurons.
Glutamic acid: Glutamate (Glu) is the most potent excitatory neurotransmitter in the central nervous system and the effects of GABA ensure homeostasis. It is secreted by neurons of many sensory pathways that enter the central nervous system and the cerebral cortex.
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