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endothelium

American  
[en-doh-thee-lee-uhm] / ˌɛn doʊˈθi li əm /

noun

endothelia plural
  1. a type of epithelium composed of a single layer of smooth, thin cells that lines the heart, blood vessels, lymphatics, and serous cavities.


endothelium British  
/ ˌɛndəʊˈθiːlɪəm /

noun

  1. a tissue consisting of a single layer of cells that lines the blood and lymph vessels, heart, and some other cavities

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

endothelium Scientific  
/ ĕn′dō-thēlē-əm /
endothelia plural
  1. A thin layer of flat epithelial cells that lines the lymph vessels, blood vessels, and the inner cavities of the heart.

  2. Compare mesothelium


Other Word Forms

Etymology

Origin of endothelium

1870–75; endo- + New Latin -thelium; cf. epithelium

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The researchers are making their data on age-related protein abundance of the mouse endothelium available in a publicly accessible database for further use.

From Science Daily • Mar. 22, 2024

This approach allowed the creation of an artificial SDV capable of autonomously forming its own endothelium solely through the presence of pores, eliminating the need for additional processing steps.

From Science Daily • Jan. 17, 2024

That's because COVID-19 is primarily a vascular disease, with the SARS-CoV-2 virus targeting the vascular endothelium that transmits fluids between blood and other bodily tissues.

From Salon • Dec. 27, 2023

The inside layer is called the endothelium, the middle layer is mostly smooth muscle and the outside layer is connective tissue.

From Textbooks • Jan. 1, 2015

In the arterioles three kinds of changes occur: a muscular hypertrophy; a fibrosis of all the coats; or a marked proliferation of the intimal endothelium.

From Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. by Warfield, Louis Marshall

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