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English definition of “endothelium”

endothelium

noun [C] uk   /ˌen.dəʊˈθiː.li.əm/ us    /ˌen.doʊˈθiː.li.əm/ ( plural endothelia ) specialized
the thin layer of cells that cover the inside walls of the blood vessels, heart and some other body parts)
(Definition of endothelium from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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