endothelium

[en-doh-thee-lee-uhm]
noun, plural endothelia [en-doh-thee-lee-uh] .
a type of epithelium composed of a single layer of smooth, thin cells that lines the heart, blood vessels, lymphatics, and serous cavities.

Origin:
1870–75; endo- + Neo-Latin -thelium; cf. epithelium

endothelial, adjective
subendothelial, adjective
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World English Dictionary
endothelium (ˌɛndəʊˈθiːlɪəm)
 
n , pl -lia
a tissue consisting of a single layer of cells that lines the blood and lymph vessels, heart, and some other cavities
 
[C19: New Latin, from endo- + -thelium, from Greek thēlē nipple]
 
endo'thelial
 
adj
 
endo'thelioid
 
adj

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American Heritage
Medical Dictionary

endothelium en·do·the·li·um (ěn'dō-thē'lē-əm)
n. pl. en·do·the·li·a (-lē-ə)
A thin layer of flat epithelial cells that lines serous cavities, lymph vessels, and blood vessels.


en'do·the'li·al adj.
The American Heritage® Stedman's Medical Dictionary
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American Heritage
Science Dictionary
endothelium   (ěn'dō-thē'lē-əm)  Pronunciation Key 
Plural endothelia
A thin layer of flat epithelial cells that lines the lymph vessels, blood vessels, and the inner cavities of the heart. Compare mesothelium.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Some authors consider the endothelium absent in places and here the medullary cells are directly bathed by the blood.
Endothelium, which comprises the vasculature, is a specialized type of epithelium.
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