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[mahy-uh-kahr-dee-uh m] /ˌmaɪ əˈkɑr di əm/

noun, plural myocardia
[mahy-uh-kahr-dee-uh] /ˌmaɪ əˈkɑr di ə/ (Show IPA). Anatomy.
the muscular substance of the heart.
of or relating to the muscular tissue of the heart
noun (pl) -dia (-dɪə)
the muscular tissue of the heart

1866, from myo- + Latinized form of Greek kardia “heart” (see heart). Related: Myocardial; myocarditis.

myocardium my·o·car·di·um (mī’ō-kär’dē-əm)
n. pl. my·o·car·di·a (-dē-ə)
The middle layer of the heart, consisting of cardiac muscle.
my’o·car’di·al adj.


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  • Myocardial-infarction

    noun, Pathology. 1. . Abbreviation: MI. noun 1. destruction of an area of heart muscle as the result of occlusion of a coronary artery Compare coronary thrombosis myocardial infarction n. Abbr. MI Necrosis of a region of the myocardium caused by an interruption in the supply of blood to the heart, usually as a result […]

  • Myocardial insufficiency

    myocardial insufficiency n. See heart failure.

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