The deep cardiac plexus is an anatomical division of the cardiac plexus; it lies more posterior than the smaller superficial cardiac plexus, but both are connected by a number of fine interneurones. It is located within the mediastinum anteroinferior to the bifurcation of the trachea, posterior to the arch of the aorta and to the right of the ligamentum arteriosum.
The deep part of the cardiac plexus receives nerve fibres from both pre-ganglionic parasympathetic and post-ganglionic sympathetic nerves:
The distribution of nerve fibres from the plexus to the heart is considered within the submenu.
Last reviewed 01/2018