myocardium

noun
myo·​car·​di·​um | \ˌmī-ə-ˈkär-dē-əm \

Definition of myocardium 

: the middle muscular layer of the heart wall

Other Words from myocardium

myocardial \ -​dē-​əl \ adjective

First Known Use of myocardium

1879, in the meaning defined above

History and Etymology for myocardium

New Latin, from my- + Greek kardia heart — more at heart

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The first known use of myocardium was in 1879

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More Definitions for myocardium

myocardium

noun
myo·​car·​di·​um | \ˌmī-ə-ˈkärd-ē-əm \
plural -dia\ -​ē-​ə \

Medical Definition of myocardium 

: the middle muscular layer of the heart wall

More from Merriam-Webster on myocardium

Britannica English: Translation of myocardium for Arabic Speakers

Britannica.com: Encyclopedia article about myocardium

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