noun
- An epithelium of mesoblastic origin; a thin layer of flattened cells that lines the inside of some body cavities. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). endothelium. Retrieved September 20, 2026, from http://smartdefine.org/endothelium/definitions/1212060 |
| Chicago | WordNet. 2010. "endothelium" http://smartdefine.org/endothelium/definitions/1212060 (accessed September 20, 2026). |
| Harvard | WordNet 2010, endothelium, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/endothelium/definitions/1212060>. |
| MLA | WordNet. "endothelium" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/endothelium/definitions/1212060> |