Medical Dictionary
mesocardium
noun me·so·car·di·um \-ˈkärd-ē-əm\
Medical Definition of MESOCARDIUM
1
: the transitory mesentery of the embryonic heart
2
: either of two tubular prolongations of the epicardium that enclose the aorta and pulmonary trunk and the venae cavae and pulmonary veins
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