Found in the following dictionaries
Enable (Words with friends)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
SOWPODS (Collins Scrabble Words)
OTCWL2014 (NASPA Word List 2014)
TWL06 (NASPA List 2006)
"Endocardium" Definition
noun
The thin serous membrane, composed of endothelial tissue, that lines the interior of the heart.
Source: American Heritage Dictionary
A thin serous membrane lining the cavities of the heart.
Source: Merriam-Webster
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