superficial cardiac (nervous) plexus

su·per·fi·cial car·di·ac (nervous) plex·us

the superficial and smaller subdivision of the cardiac plexus, formed by the left superior cardiac nerves from the left vagus and cervical sympathetic trunk; it is found beneath the aortic arch, between the arch and the bifurcation of the pulmonary trunk. Synonym(s): plexus (nervosus) cardiacus superficialis