myocardium
0 antonyms and opposites of myocardium, grouped by meaning.
Noun — The muscular substance of the heart; the middle of the three layers forming the outer wall of the human heart.
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Etymology
From New Latin myocardium, from Ancient Greek μῦς (mûs, “muscle”) + καρδίᾱ (kardíā, “heart”).
Full origin of myocardium →