Definify.com

Webster 1913 Edition

‖

Noun.

;

pl.

Endothelia

(#)

[NL., fr. Gr.

ἔνδον

within + [GREEK] nipple.]

(Anat.)

The thin epithelium lining the blood vessels, lymphatics, and serous cavities. See

See also: endothélium

endothelium ‎(plural endothelia)

(anatomy) A thin layer of flat epithelial cells that lines the heart, serous cavities, lymph vessels, and blood vessels.

thin layer of cells