FMA definition : Wall of organ which has as its parts the endocardium, myocardium , epicardium, and
the cardiac septum, surrounded by the pericardial sac proper and is continuous with
the walls of the systemic and pulmonary arterial and venous trees.;
Wall of organ which has as its parts the endocardium, myocardium , epicardium, and
the cardiac septum, surrounded by the pericardial sac proper and is continuous with
the walls of the systemic and pulmonary arterial and venous trees.