Share this entry

Share this page

endothelium

Syllabification: en·do·the·li·um
Pronunciation: /ˌendəˈTHēlēəm
 
/

Definition of endothelium in English:

noun

(plural endothelia /-lēə/)
The tissue that forms a single layer of cells lining various organs and cavities of the body, especially the blood vessels, heart, and lymphatic vessels. It is formed from the embryonic mesoderm. Compare with epithelium.
Example sentences
  • Laughter appears to cause the tissue that forms the inner lining of blood vessels, the endothelium, to dilate or expand in order to increase blood flow.
  • This endothelium helps give vessels the elasticity needed to regulate blood pressure.
  • The endothelium is a layer of cells that line the undersurface of the cornea and are essential to keeping the cornea clear.

Origin

late 19th century: modern Latin, from endo- 'within' + Greek thēlē 'nipple'.

Derivatives

endothelial

1
adjective
Example sentences
  • They consist of thin sheets of collagen and smooth muscle with an endothelial covering.
  • Pulmonary endothelial cells serve as gatekeepers to trafficking inflammatory and immune cells.
  • The staining was predominantly located in endothelial and perivascular cells within the tumors.

Definition of endothelium in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day emulous
Pronunciation: ˈemyələs
adjective
seeking to emulate or imitate someone or something