structure of a typical chemical synapse

acetylcholine acids adenosine adrenaline amino anandamide anatomy axon biological biology brain care catecholamine cell chemical cholinergic dendrite depression diagram disease dopamine education epinephrine glia glycine health healthcare healthy histamine hormone human illustration macro mechanisms medical medicine mood narcotic nerve nervous neural neuro neurology neuron neurons neurotransmitter neurotransmitters nitric norepinephrine opioid organism oxide oxytocin peptide receptor recycle scheme science serotonin signal smoking somatostatin structure substance synapse synapses synaptic system target transmit triphosphate vesicles