- epimyocardium
- \\|epə̇, |epē+\ noun
: the undifferentiated splanchnic mesodermal layer of the embryonic heart that subsequently differentiates into myocardium and epicardium
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—epimyocardial, adj./ep'euh muy'euh kahr"dee euhm/, n., pl. epimyocardia /-dee euh/. Embryol.the outer, mesodermal layer of the embryonic heart, which develops into the epicardium and the myocardium.[EPI- + MYOCARDIUM]
Useful english dictionary. 2012.