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. Author manuscript; available in PMC: 2011 Jul 1.
Published in final edited form as: Heart Rhythm. 2010 Mar 1;7(7):942–950. doi: 10.1016/j.hrthm.2010.02.036

Fig 5.

Fig 5

Morphologic pattern of atrial (a-c) and ventricular (d-f) epicardial ganglia. Some regions of ganglia are out of sharp focus because of their deep location in the epicardium. Black arrows, longitudinally oriented epicardial nerves; black arrowheads, ganglionic cells; white arrowheads, interganglionic nerves. Atrial ganglia are irregular in shape due to their extensions at the sites where nerves connect to a ganglion; ventricular ganglia are oval or spindle-shaped and situated along the epicardial nerves.