What Is the Vascular Endothelium?

Endothelial cells, also called vascular endothelial cells, usually refer to a single layer of flat epithelium lining the inner surfaces of the heart, blood vessels, and lymphatic vessels, which form the inner walls of blood vessels. They have tissues that engulf foreign bodies, bacteria, necrosis and aging, and are also involved in the body's immune activity.

Vascular endothelial cells

Vascular endothelial cells usually refer to the heart, blood vessels and
Observation with high magnification
Endothelial cells are a general term for phagocytic cells with common characteristics distributed in organs and tissues such as the brain, lymph nodes, lungs, liver, spleen, etc. They engulf foreign bodies, bacteria, necrotic and aging tissues.
Also involved in collective immunization activities, including:
1. Vascular constriction and vasodilation to control blood pressure;
2. Coagulation (thrombosis and fibrinolysis);
3. Arteriosclerosis;
4. Angiogenesis;
5. Inflammation and swelling (eg edema).
6, endothelial cells also control some substances, such as white blood cells in and out of blood vessels.
7. In some organs, there are some highly differentiated endothelial cells responsible for special filtering functions. Examples include glomeruli and cerebrovascular barriers.

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