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Fig. 11. Photographs of glutamate-like immunoreactivity in paraffin sections
obtained from the heart. Glutamate-like immunoreactivity is seen in (Ai) the
CA1 nerve and the cardiac ganglion trunk (CGT) and (Aii) the CA2 nerves on
both sides and the CGT. (B) Glutamate-like immunoreactivity in the soma of the
cardiac ganglion neuron. (C) Glutamate-like immunoreactivity in a major branch
(MB) of the cardiac ganglion extending to the myocardium. Scale bar, 50 µm.
The diagram shows the areas depicted in AC.