myocardium
myo·car·di·um
noun \ˌmī-ə-ˈkär-dē-əm\Definition of MYOCARDIUM
: the middle muscular layer of the heart wall
— myo·car·di·al \-dē-əl\ adjective
See Origin of MYOCARDIUM
New Latin, from my- + Greek kardia heart — more at heart
First Known Use: 1879
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