in the complexe system of synapses in the white rat 's superior cervical ganglion , authors show the existence of : 1 - somato-somatic neuronal synapses 2 - somatic synapses between s.i.f . cells 3 - recurrent auto-synapses they moreover mention widening of synaptic cleft of the synapses between s.i.f . cells and their processes .
C0039062
synapses
C0007634
cells