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endocardium

American  
[en-doh-kahr-dee-uhm] / ˌɛn doʊˈkɑr di əm /

noun

Anatomy.
endocardia plural
  1. the serous membrane that lines the cavities of the heart.


endocardium British  
/ ˌɛndəʊˈkɑːdɪəm /

noun

  1. the membrane that lines the cavities of the heart and forms part of the valves

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of endocardium

First recorded in 1870–75; endo- + -cardium

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The endothelial tunic is continuous with the endocardium of the heart.

From Textbooks Jun. 9, 2022

The heart is composed of three layers; the epicardium, the myocardium, and the endocardium, illustrated in Figure 31.11.

From Textbooks Jun. 9, 2022

The inner wall of the heart has a lining called the endocardium.

From Textbooks Jun. 9, 2022

The innermost layer of the heart wall, the endocardium, is joined to the myocardium with a thin layer of connective tissue.

From Textbooks Jun. 19, 2013

When it is opened it is seen to have a much lighter colour than the other cavities, owing to the greater thickness of its endocardium obscuring the red muscle beneath.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" by Various

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