endothelium Meaning, Definition & Usage

  1. noun an epithelium of mesoblastic origin; a thin layer of flattened cells that lines the inside of some body cavities

WordNet

En`do*the"li*um noun
Etymology
NL., fr. Gr. within + nipple.
Wordforms
plural Endothelia
Definitions
  1. (Anat.) The thin epithelium lining the blood vessels, lymphatics, and serous cavities. See Epithelium.

Webster 1913