synaptic cleft axon terminal science graphic template

peripheral nervous system signal dendrites biotech biotechnology neurobiology endocytosis charge ion channel ligand receptor calcium receptors neurotransmitters axon potential neuroscience neurology vesicles synapses synaptic clefts terminal human medicine medical anatomy biology blank template publication figure presentation educational education scientific science background vector isolated design graphic space two neurons impulse transmitted neurotransmitter cleft neuron transmits signals presynaptic receive postsynaptic cleft neuron