title: Measurement of endogenous transmitter levels after intracellular recording.
mesh_terms: D000109:Acetylcholine / Q000378:metabolism*; D000818:Animals; D001048:Aplysia; D004298:Dopamine / Q000378:metabolism*; D004558:Electric Stimulation; D005724:Ganglia / Q000502:physiology*; D006632:Histamine / Q000378:metabolism*; D008564:Membrane Potentials; D009474:Neurons / Q000378:metabolism; D012701:Serotonin / Q000378:metabolism*; D005680:gamma-Aminobutyric Acid / Q000378:metabolism*
chemical_list: D012701:Serotonin; D005680:gamma-Aminobutyric Acid; D006632:Histamine; D000109:Acetylcholine; D004298:Dopamine