myocardium

noun

myo·​car·​di·​um ˌmī-ə-ˈkär-dē-əm How to pronounce myocardium (audio)
: the middle muscular layer of the heart wall
myocardial adjective

Examples of myocardium in a Sentence

Recent Examples on the Web Instead, the immune system is responding to the vaccine in a way that also happens to react with heart cells in the myocardium. Jocelyn Solis-Moreira, Popular Science, 23 Jan. 2023 Myocarditis is a disease that causes inflammation in a middle layer of the heart muscle called the myocardium. Jocelyn Solis-Moreira, Popular Science, 23 Jan. 2023 Myocarditis is inflammation of the myocardium, the muscles in the heart, according to Medline Plus. Korin Miller, Health.com, 26 Apr. 2021 Hemorrhagic softening of the myocardium, liver, kidneys and spleen. Dawn Mitchell, Indianapolis Star, 2 Aug. 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'myocardium.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

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

First Known Use

1879, in the meaning defined above

Time Traveler
The first known use of myocardium was in 1879

Dictionary Entries Near myocardium

Cite this Entry

“Myocardium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/myocardium. Accessed 27 Feb. 2024.

Kids Definition

myocardium

noun
myo·​car·​di·​um ˌmī-ə-ˈkärd-ē-əm How to pronounce myocardium (audio)
: the middle muscular layer of the wall of the heart

Medical Definition

myocardium

noun
myo·​car·​di·​um ˌmī-ə-ˈkärd-ē-əm How to pronounce myocardium (audio)
plural myocardia -ē-ə How to pronounce myocardium (audio)
: the middle muscular layer of the heart wall

More from Merriam-Webster on myocardium

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