Neurotransmitters and Related Messengers
{"Image DocumentName": "Neurotransmitters and Related Messengers", "Image ImageDescription": "more than 100 neurotransmitters have been identified. fall into four major categories according to chemical composition. acetylcholine. in a class by itself. formed from acetic acid and choline. amino acid neurotransmitters. include glycine, glutamate, aspartate, and \uf067-aminobutyric acid (GABA) monoamines. synthesized from amino acids by removal of the \u2013COOH group. retaining the \u2013NH2 (amino) group. major monoamines are: epinephrine, norepinephrine, dopamine (catecholamines) histamine and serotonin. neuropeptides.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}