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  • Title: [Synaptic responses and intraganglionic connections of rat superior cervical ganglia neurons].
    Author: Purnyn' OE, Rykhal's'kyĭ OV, Fedulova SA, Veselovs'kyĭ MS.
    Journal: Fiziol Zh (1994); 2007; 53(5):14-21. PubMed ID: 18080489.
    Abstract:
    The rat superior cervical ganglion (SCG) neurones demonstrate responses on the threshold stimulation of the cervical sympathetic nerve, extrinsic (ECN) and intrinsic (ICN) carotid nerves. Both antidromic and synaptic responses were evoked by antidromic stimulation of ECN and ICN. The synaptic responses of each neuron differ by great variability amplitudes of the excitatory postsynaptic potentials and the currents, the rise time and the time constant decay of the postsynaptic current. We hypothesize that this variability of the synaptic responces is associated with the spatial distribution of synapses on the dendritic tree and on the neuron soma that are innervated by the single axon.
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