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The membrane that lines the cavities of the heart and forms part of the heart valves
Answer for the clue "The membrane that lines the cavities of the heart and forms part of the heart valves ", 11 letters:
endocardium
Word definitions for endocardium in dictionaries
Wiktionary
Word definitions in Wiktionary
n. (context anatomy cardiology English) A thin serous membrane that lines the interior of the heart.
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Endocardium \En`do*car"di*um\, n. [NL., fr. Gr. 'e`ndon within + kardi`a heart.] (Anat.) The membrane lining the cavities of the heart.
Wikipedia
Word definitions in Wikipedia
The endocardium is the innermost layer of tissue that lines the chambers of the heart. Its cells are embryologically and biologically similar to the endothelial cells that line blood vessels . The endocardium also provides protection to the valves and heart ...
WordNet
Word definitions in WordNet
n. the membrane that lines the cavities of the heart and forms part of the heart valves [also: endocardia (pl)]