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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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