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Webster 1913 Edition
Endothelium
‖
Enˊdo-the′li-um
,Noun.
pl.
Endothelia
(#)
. [NL., fr. Gr.
ἔνδον
within + [GREEK] nipple.] (Anat.)
The thin epithelium lining the blood vessels, lymphatics, and serous cavities. See
Epithelium
.