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

From Textbooks ● Jun. 9, 2022

The walls of the heart are composed of an outer epicardium, a thick myocardium, and an inner lining layer of endocardium.

From Textbooks ● Jun. 19, 2013

The septa are physical extensions of the myocardium lined with endocardium.

From Textbooks ● Jun. 19, 2013

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

All the cavities of the heart are lined with a smooth, delicate membrane, called the endocardium.

From Physiology and Hygiene for Secondary Schools by Francis M. Walters

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