endocardium

[en-doh-kahr-dee-uhm]

en·do·car·di·um

[en-doh-kahr-dee-uhm]
noun, plural en·do·car·di·a [-dee-uh] . Anatomy.
the serous membrane that lines the cavities of the heart.

Origin:
1870–75; endo- + -cardium
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Endocardium is always a great word to know.
So is colon. Does it mean:
a network of cells and cell-forming tissue that protects the body from pathogens, destroys infected, malignant cells, and removes cellular debris
the part of the large intestine extending from the cecum, where the large intestine begins, to the rectum
Collins
World English Dictionary
endocardium (ˌɛndəʊˈkɑːdɪəm)
 
n , pl -dia
the membrane that lines the cavities of the heart and forms part of the valves
 
[C19: from New Latin, from endo- + Greek kardia heart]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

endocardium en·do·car·di·um (ěn'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.


en'do·car'di·al adj.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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