The transmitters, central or peripheral, may be conveniently classified into two categories: 1. Non-peptide transmitter with molecular weight less than 200. These include amines and amino acids. The amines include acetylcholine (a tertiary amine) and biogenic amines e.g. dopamine, serotonin (5-HT), norepinephrine, epinephrine and histamine. The amino acids include glycine and GABA (monocarboxylic; inhibitory), and […]
Classification of Central Transmitters | Pharmacology
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