Definitions

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

Etymologies

New Latin endothēlium : endo- + Greek thēlē, nipple; see dhē(i)- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)

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