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.
Related formsen·do·the·li·al, adjectivesub·en·do·the·li·al, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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British Dictionary definitions for endothelium
noun plural -lia (-lɪə)
Derived Formsendothelial, adjectiveendothelioid, adjective
a tissue consisting of a single layer of cells that lines the blood and lymph vessels, heart, and some other cavities
Word Origin for endothelium
C19: New Latin, from endo- + -thelium, from Greek thēlē nipple
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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n. pl. en•do•the•li•a (-lē-ə)
Related formsen′do•the′li•al adj.
A thin layer of flat epithelial cells that lines serous cavities, lymph vessels, and blood vessels.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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.