neuronal and synapse activity. neurons in the head, neuroactivity, synapses, neurotransmitters, brain, axons. 3d

abstract activity anatomy axon axons background biological biology brain cell cells closeup communication connections dendrites education energy flying glow graphic head human illustration impulse inside intelligence light macro medicine micro microscopic mind nerve nervous neural neuroactivity neurology neuron neuronal neurone neurons neurotransmitters nucleus receptor render signal structure synapse synapses system