[ en-doh-kahr-dee-uhm ]
/ ˌɛn doʊˈkɑr di əm /
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noun, plural en·do·car·di·a [en-doh-kahr-dee-uh]. /ˌɛn doʊˈkɑr di ə/. Anatomy.
the serous membrane that lines the cavities of the heart.
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Origin of endocardium

First recorded in 1870–75; endo- + -cardium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use endocardium in a sentence

British Dictionary definitions for endocardium

/ (ˌɛndəʊˈkɑːdɪəm) /

noun plural -dia (-dɪə)
the membrane that lines the cavities of the heart and forms part of the valves

Word Origin for endocardium

C19: from New Latin, from endo- + Greek kardia heart
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

Medical definitions for endocardium

[ ĕn′dō-kärdē-əm ]

n. pl. en•do•car•di•a (-dē-ə)
The thin serous membrane, composed of endothelial and subendothelial tissue, that lines the interior of the heart.

Other words from endocardium

en′do•cardi•al adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.