FMA definition : Subdivision of conducting system of heart each instance of which is the trunk of some
conducting system of heart from its origin at the atrioventricular node to the point
of division into some right and left bundle branches at the superior end of the muscular
part of some interventricular septum.;
Subdivision of conducting system of heart each instance of which is the trunk of some
conducting system of heart from its origin at the atrioventricular node to the point
of division into some right and left bundle branches at the superior end of the muscular
part of some interventricular septum.