Amino acid neurotransmitter

An amino acid neurotransmitter is an amino acid which is able to transmit a nerve message across a synapse. Neurotransmitters (chemicals) are packaged into vesicles that cluster beneath the axon terminal membrane on the presynaptic side of a synapse in a process called endocytosis.

Amino acid neurotransmitter release (exocytosis) is dependent upon calcium Ca²⁺ and is a presynaptic response.

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