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Definition of CARDIAC NERVE
: any of the three nerves connecting the cervical ganglia of the sympathetic nervous system with the cardiac plexus: a: one arising especially from the inferior cervical ganglion or the stellate ganglion—called also inferior cardiac nerveb: one arising especially from the middle cervical ganglion—called also middle cardiac nervec: one arising especially from the superior cervical ganglion—called also superior cardiac nerve
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