Endothelium

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Endothelium \En`do*the"li*um\, n.; pl. {Endothelia}. [NL., fr.
     Gr. 'e`ndon within + ? nipple.] (Anat.)
     The thin epithelium lining the blood vessels, lymphatics, and
     serous cavities. See {Epithelium}.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  endothelium
       n : an epithelium of mesoblastic origin; a thin layer of
           flattened cells that lines the inside of some body
           cavities
       [also: {endothelia} (pl)]