Figure 10. The neuro‐cardiac junction represents the functional unit underlying both anterograde and retrograde sympathetic neuron–cardiomyocyte communication.

A, roadmap of post‐ganglionic sympathetic neurons (SNs), from the cervical ganglia to the myocardial interstitium. B, cartoon representation of the neuro‐cardiac junction is the election site of bidirectional SN–cardiomyocyte (CM) communication (created with BioRender.com). [Colour figure can be viewed at wileyonlinelibrary.com]