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The endothelium is a thin layer of single flat cells that line the interior surface of blood vessels and lymphatic vessels. [1] Endothelium is of mesodermal origin. Both blood and lymphatic capillaries are composed of a single layer of endothelial cells called a monolayer. In straight sections of a blood vessel, vascular endothelial cells ...
Angioblast → Endothelial cell; Mesangial cell. Intraglomerular; Extraglomerular; Juxtaglomerular cell; Macula densa cell; Stromal cell → Interstitial cell → Telocytes; Kidney proximal tubule brush border cell; Kidney distal tubule cell; Connecting tubule cells; α-intercalated cell; β-intercalated cell; Principal cells
In addition to regulating the exit and entrance of blood, the blood–brain barrier also filters toxins that may cause inflammation, injury, and disease. [12] The overall microvasculature unit functions as a defense for the central nervous system. [11] Encompassed within the BBB are two types of blood vessels: endothelial and mural cells ...
The general structure of lymphatics is based on that of blood vessels. There is an inner lining of single flattened epithelial cells (simple squamous epithelium) composed of a type of epithelium that is called the endothelium, and the cells are called endothelial cells.
ESCs will eventually produce endothelial cells (ECs), which create the thin-walled endothelium that lines the inner surface of blood vessels and lymphatic vessels. [1] The blood vessels include arteries and veins. Endothelial cells can be found throughout the whole vascular system and they also play a vital role in the movement of white blood ...
The lymphatic endothelium refers to a specialized subset of endothelial cells located in the sinus systems of draining lymph nodes.Specifically, these endothelial cells line the branched sinus systems formed by afferent lymphatic vessels, forming a single-cell layer which functions in a variety of critical physiological processes.
Circulating endothelial cells (CECs) are endothelial cells that have been shed from the lining of the vascular wall into the blood stream. [1] Endothelial cells normally line blood vessels to maintain vascular integrity and permeability, but when these cells enter into the circulation, this could be a reflection of vascular dysfunction and damage. [2]
Angioblasts (or vasoformative cells) are embryonic cells from which the endothelium of blood vessels arises. [1] They are derived from embryonic mesoderm. [1] Blood vessels first make their appearance in several scattered vascular areas (blood islands) that are developed simultaneously between the endoderm and the mesoderm of the yolk-sac, i. e., outside the body of the embryo.