This is a human atria structure created by Harrild and Henriquez to study normal
electrical conduction. Published in Circulation Research 87:E25-E36, 2000.
Data courtesy of
Craig Henriquez, with coronary sinus added by Elizabeth Cherry.
Tissue in red indicates fast conduction system. Includes the pectinates, crista terminalis, intercaval bundle, Bachmann's bundle, and fossa ovalis limbus.
Tissue in dark blue indicates slow conduction system. Includes the fossa ovalis an
the right atria floor isthmus.