Abstract
Neural connections are implemented by axons of different diameters, whose spectrum increases depending on species and areas. Axon diameter determines conduction velocity and is proportional to the size of the cell body of origin. We describe that in motor, callosal connections of the monkey thick axons distribute larger boutons than thin axons, suggesting that faster axons also release more neurotransmitter at their termination, probably activating more powerfully their targets.
Published Version
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