An embryonic mesentery binding the heart to the pericardial walls; part of the pericardium enclosing veins (venous m.) or aorta (arterial m.).
[Greek] An embryonic mesentery binding heart to pericardial walls; part of pericardium enclosing veins (venous m.) or aorta (arterial m.); mesocardial ligament or gubernaculum cordis.
