Chemical messenger released from presynaptic terminal, diffuses across cleft, binds postsynaptic receptors. Classes: amino-acid (glutamate, GABA, glycine), monoamine (DA, NE, 5-HT, histamine), ACh, peptide, gas (NO).
Chemical messenger released from presynaptic terminal, diffuses across cleft, binds postsynaptic receptors. Classes: amino-acid (glutamate, GABA, glycine), monoamine (DA, NE, 5-HT, histamine), ACh, peptide, gas (NO).