[any of a group of substances that are released on excitation from the axon terminal of a presynaptic neuron and travel across the synaptic cleft to either excite or inhibit the target cell; included are neuromodulators, neuroregulators, neuromediators, neurohormones, and neurohumors, whether or not acting at synapses. ( CSP )]
UMLS (NCI) C0027908 - Neuroreactive Substance or Biogenic Amine
Relation/PAR: cell communication molecule
Relation/CHD: acetylcholine
adenosine
dopamine
glutamate
GLYCINE
histamine
(.+-.)-Noradrenaline
octopamine
5 hydroxytryptamine
TAURINE
gamma aminobutyrate