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. 2021 May 19;15:665386. doi: 10.3389/fncir.2021.665386

FIGURE 3.

FIGURE 3

Cotransmission configurations. We define DA neuron GLU cotransmission as the release of DA and GLU from the same neuron. Anatomically, DA and GLU could be released from the same vesicles (labeled as corelease), or from separate sites in the same varicosity, or more distant sites within the same axon (not shown).