The story
From endo- + -thelium, as in epithelium.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A thin layer of flat epithelial cells that lines the heart, serous cavities, lymph vessels, and blood vessels. Full definition →
From endo- + -thelium, as in epithelium.
Etymology from Wiktionary, CC BY-SA 4.0.