from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A thin layer of flat epithelial cells that lines serous cavities, lymph vessels, and blood vessels.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A thin layer of flat epithelial cells that lines the heart, serous cavities, lymph vessels, and blood vessels.
from the GNU version of the Collaborative International Dictionary of English
- n. The thin epithelium lining the blood vessels, lymphatics, and serous cavities. See epithelium.
from The Century Dictionary and Cyclopedia
- n. In anatomy, the tissue, somewhat resembling epithelium, which lines serous cavities, blood-vessels, and lymphatics.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an epithelium of mesoblastic origin; a thin layer of flattened cells that lines the inside of some body cavities
New Latin endothēlium : endo- + Greek thēlē, nipple; see dhē(i)- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)