endocardium

[ en-doh-kahr-dee-uh m ]

/ ˌɛn doʊˈkɑr di əm /

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.

Nearby words

Origin of endocardium

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for endocardium

The endocardium may be stained from the imbibition of blood.
A System of Practical Medicine by American Authors, Vol. I|Various
In the muscular substance of the heart, under the endocardium, there is almost constantly noticed ecchymosis.
Poisons: Their Effects and Detection|Alexander Wynter Blyth
When the membrane which lines the cavities of the heart—the endocardium— suffers inflammation, the disease is called endocarditis.
Special Report on Diseases of Cattle|U.S. Department of Agriculture
In acute inflammation we find a thickening and a roughened appearance of the endocardium throughout the cavities of the heart.
Special Report on Diseases of the Horse|United States Department of Agriculture

By extension of inflammation of the endocardium or pericardium the muscle of the heart may become involved.
Special Report on Diseases of the Horse|United States Department of Agriculture

British Dictionary definitions for endocardium

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

Medicine definitions for endocardium

endocardium

[ ĕn′dō-kär′dē-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.

Related formsen′do•car′di•al adj.