endothelium
en·dot·he·lium
noun
1.
an epithelium of mesoblastic origin; a thin layer of flattened cells that lines the inside of some body cavities
Origin
From endo- + -thelium, as in epithelium.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.