endocardium

noun

en·​do·​car·​di·​um ˌen-dō-ˈkär-dē-əm How to pronounce endocardium (audio)
plural endocardia ˌen-dō-ˈkär-dē-ə How to pronounce endocardium (audio)
: a thin serous membrane lining the cavities of the heart

Examples of endocardium in a Sentence

Recent Examples on the Web One in the outer layer — epicardium — of the heart and the other in the inner layer — endocardium — of the heart. Monica Cull, Discover Magazine, 22 July 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'endocardium.' 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

First Known Use

circa 1864, in the meaning defined above

Time Traveler
The first known use of endocardium was circa 1864

Dictionary Entries Near endocardium

Cite this Entry

“Endocardium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/endocardium. Accessed 28 May. 2024.

Medical Definition

endocardium

noun
en·​do·​car·​di·​um -ˈkärd-ē-əm How to pronounce endocardium (audio)
plural endocardia -ē-ə How to pronounce endocardium (audio)
: a thin serous membrane lining the cavities of the heart

More from Merriam-Webster on endocardium

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