Dictionary.com

endothelium

[ en-doh-thee-lee-uhm ]
/ ˌɛn doʊˈθi li əm /
Save This Word!

noun, plural en·do·the·li·a [en-doh-thee-lee-uh]. /ˌɛn doʊˈθi li ə/.
a type of epithelium composed of a single layer of smooth, thin cells that lines the heart, blood vessels, lymphatics, and serous cavities.
QUIZ
FIRE UP YOUR VOCAB FOR A "RED" SYNONYMS QUIZ
No fire engine reds here, only a fierce collection of vibrant words for the color red to test yourself on.
Question 1 of 7
What does "amaranth" mean?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of endothelium

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

OTHER WORDS FROM endothelium

en·do·the·li·al, adjectivesub·en·do·the·li·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use endothelium in a sentence

British Dictionary definitions for endothelium

endothelium
/ (ˌɛndəʊˈθiːlɪəm) /

noun plural -lia (-lɪə)
a tissue consisting of a single layer of cells that lines the blood and lymph vessels, heart, and some other cavities

Derived forms of endothelium

endothelial, adjectiveendothelioid, adjective

Word Origin for endothelium

C19: New Latin, from endo- + -thelium, from Greek thēlē nipple
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

Medical definitions for endothelium

endothelium
[ ĕn′dō-thēlē-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.

Other words from endothelium

en′do•theli•al adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for endothelium

endothelium
[ ĕn′dō-thēlē-əm ]

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK