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Word of the Day Tuesday, June 9, 2026

endocardium

/ɛndəˈkɑːrdɪəm/ noun · British & US
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What does endocardium mean?

noun

The innermost layer of the heart, consisting of endothelial cells lining the heart chambers and valves. It is a thin membrane that separates the heart from the blood.

Example

"The endocardium was damaged during the heart surgery, which may lead to complications."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for endocardium

Rhymes with endocardium

Etymologically related