acetylcholine . labeled scheme with neurotransmitter.

acetic acetylcholine acetylcholinesterase ache acid anatomy axon biochemistry biology body brain cell chemical chemistry choline cholinergic cleft diagram enzyme ester health illustration isolated junction labeled mechanisms medical medicine membrane mitochondria molecular molecule muscle nerve neuromuscular neuron neurotransmitter organic postsynaptic presynaptic receptor scheme science signal structure system terminal transmitter vector vesicle