Definition of endothelium in English:
endothelium
nounˌɛndə(ʊ)ˈθiːlɪəmˌɛndəˈθiliəm
mass nounAnatomy The tissue which 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 sentencesExamples
- The endothelium is a layer of cells that line the undersurface of the cornea and are essential to keeping the cornea clear.
- Blood vessels only work when both endothelia and vascular smooth muscle are bound together.
- The pulmonary endothelium represents a very large surface area, the major part of which lies in close contact with the alveoli.
- 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.
Derivatives
adjective
Anatomy The staining was predominantly located in endothelial and perivascular cells within the tumors.
Example sentencesExamples
- Pulmonary endothelial cells serve as gatekeepers to trafficking inflammatory and immune cells.
- One potential concern raised by the study was the loss of endothelial cells in the corneas of patients who received the implants.
- They consist of thin sheets of collagen and smooth muscle with an endothelial covering.
- This was further confirmed by the finding of a decrease in the number of endothelial cells in the lung.
Origin
Late 19th century: modern Latin, from endo- 'within' + Greek thēlē 'nipple'.
Definition of endothelium in US English:
endothelium
nounˌendəˈTHēlēəmˌɛndəˈθiliəm
Anatomy The tissue which 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 sentencesExamples
- Blood vessels only work when both endothelia and vascular smooth muscle are bound together.
- This endothelium helps give vessels the elasticity needed to regulate blood pressure.
- 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.
- The endothelium is a layer of cells that line the undersurface of the cornea and are essential to keeping the cornea clear.
- The pulmonary endothelium represents a very large surface area, the major part of which lies in close contact with the alveoli.
Origin
Late 19th century: modern Latin, from endo- ‘within’ + Greek thēlē ‘nipple’.