Source:http://linkedlifedata.com/resource/umls/id/C0027908
CSP: 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.,CHV: a chemical substance produced by nerve cells or hormone that delivers neurologic signals,CHV: a chemical substance produced by nerve cells or hormone that delivers neurologic signals,NCI: A chemical that is made by nerve cells and used to communicate with other cells, including other nerve cells and muscle cells.,NCI: Endogenous signaling molecules that alter the behavior of neurons or effector cells. Neurotransmitter is used here in its most general sense, including not only messengers that act directly to regulate ion channels, but also those that act through second messenger systems, and those that act at a distance from their site of release. Included are neuromodulators, neuroregu