cardiac nerve

noun

Medical 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 nerve

b : one arising especially from the middle cervical ganglion

called also middle cardiac nerve

c : one arising especially from the superior cervical ganglion

called also superior cardiac nerve

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