endothelium


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endothelium

 [en″do-the´le-um] (pl. endothe´lia) (Gr.)
the layer of epithelial cells that lines the cavities of the heart and of the blood and lymph vessels, and the serous cavities of the body.

en·do·the·li·um

, pl.

en·do·the·li·a

(en'dō-thē'lē-ŭm, -lē-ă), [TA]
A layer of flat cells lining, especially blood and lymphatic vessels and the heart.
[endo- + G. thēlē, nipple]

endothelium

(ĕn′dō-thē′lē-əm)
n. pl. endothe·lia (-lē-ə)
A thin layer of flat epithelial cells that lines serous cavities, lymph vessels, and blood vessels.

en′do·the′li·al, en′do·the′li·oid′ adj.

en·do·the·li·um

, pl. endothelia (en'dō-thē'lē-ŭm, -ă) [TA]
A layer of flat cells that line the blood vessels, lymphatic vessels, and the heart.
[endo- + G. thēlē, nipple]

endothelium

The single layer of flattened cells that lines the blood vessels, the heart and some of the cavities of the body. Endothelium is no longer regarded as simply a non-stick lining. It is now known to be a physiologically and biochemically dynamic structure that exerts a regulatory control on the tone of blood vessels and on the blood flow, mainly by the release of the hormone NITRIC OXIDE. It regulates the growth and repair of blood vessels; modulated the contraction and relaxation of the heart; protects blood cells from damage; helps to control the inflammatory process; prevents blood clotting within vessels; and offers a selectively permeable barrier to the passage through it of molecules.

endothelium

a layer of flattened, simple, epithelial cells, one cell thick, lining a tube such as the heart, blood vessels and lymph vessels of vertebrates.

en·do·the·li·um

, pl. endothelia (en'dō-thē'lē-ŭm, -ă) [TA]
A layer of flat cells that line the blood vessels, lymphatic vessels, and the heart.
[endo- + G. thēlē, nipple]
References in periodicals archive ?
"Lifestyle modifications can affect the endothelium. The Western diet, characterised by highly processed foods that are high in saturated and trans-fat and low in good oils like omega-3 fatty acids, contributes to heart disease in everybody, not just lupus patients," explains Oates.
Age-related changes of corneal endothelium in normal eyes with a non-contact specular microscope.
Since the decaying cells cannot regenerate, the cells enlarge to take their place and lead to change in structure of corneal endothelium.
Results of optical microscopy showed that the healthy corneal endothelium was composed of polygonal cells with a regular pattern, with a predominance of a hexagonal form.
B-CECs were seeded onto CC surface at a density of 1 x 109/ml (0.5 ml per well) and incubated at 37[degrees]C, 5% CO[sub]2 for 7 days on the cells reaching confluence then the biomimetic monolayer endothelium sheets were ready for further examination.[15] Cell density was measured by counting cell numbers in at least four fields of view from four different CC constructs seeded with cells.
The pathophysiological alteration of endothelium results in the endothelium dysfunction, leading to atherosclerosis and plaque formation.
Changes to the endothelium have been linked to several serious health problems, including high blood pressure, insulin resistance, diabetes, tumor growth, virus infections, and atherosclerosis, which is a condition wherein fatty deposits can build up inside arteries and increase the risk of heart attack and stroke.
Given the strategic anatomical position of endothelium between the
This fact is confirmed by the results of experimental studies in which it was clearly demonstrated that statins improve cerebral blood flow and have a cardioprotective effect with an indirect increase in the secretion of NO in the endothelium, independent of their hypolipidemic action.
This shape enabled the OVD to trap the air and prevent the air from directly touching the corneal endothelium (Figure 3).
A strategy to corroborate the participation of endothelium in the response described in our study is to perform analyses without endothelium in the presence or absence of ACh plus COX inhibitors.
The idea is to do the least amount of resection with greatest amount of benefit thus leaving the healthy endothelium and Descemefs membrane as an immunological barrier to the rejection.

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