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It results from relaxation of smooth muscle cells within the vessel walls, in particular in the large veins, large arteries, and smaller arterioles. [2] Blood vessel walls are composed of endothelial tissue and a basal membrane lining the lumen of the vessel, concentric smooth muscle layers on top of endothelial tissue, and an adventitia over ...
It is associated with aging, hypertension, diabetes mellitus, [5] dementia, [6] and may be seen in response to certain drugs (calcineurin inhibitors). [7] It is often seen in the context of kidney pathology. [4] [8] [9] In hypertension only the afferent arteriole is affected, while in diabetes mellitus, both the afferent and efferent arteriole ...
An arteriole is a small-diameter blood vessel in the microcirculation that extends and branches out from an artery and leads to capillaries. [1] Arterioles have muscular walls (usually only one to two layers of smooth muscle cells) and are the primary site of vascular resistance. The greatest change in blood pressure and velocity of blood flow ...
Chronic diabetes can lead to several problems, one of which is Diabetic Angiopathy. Individuals with diabetic angiopathy notice a constriction in their arteries. This cause many organs to receive insufficient blood and oxygen, which might eventually cause harm. High blood sugar is the primary cause of diabetic angiopathy. Excessive blood sugar ...
Transmission electron microscope image of a capillary with a red blood cell within the pancreas. The capillary lining consists of long, thin endothelial cells, connected by tight junctions . The vessels on the arterial side of the microcirculation are called the arterioles , which are well innervated, are surrounded by smooth muscle cells, and ...
Arteriolar vasodilators are substances or medications that preferentially dilate arterioles. When used on people with certain heart conditions, it causes a phenomenon known as the cardiac steal syndrome. [citation needed] Arteriolar vasodilators increase intracapillary pressure, which causes fluid to enter the tissues, leading to vasodilatory ...
Diabetic nephropathy is the most common cause of end-stage renal disease and is a serious complication that affects approximately one quarter of adults with diabetes in the United States. [ 13 ] [ 14 ] Affected individuals with end-stage kidney disease often require hemodialysis and eventually kidney transplantation to replace the failed kidney ...
A diagram explaining factors affecting arterial pressure. Pathophysiology is a study which explains the function of the body as it relates to diseases and conditions. The pathophysiology of hypertension is an area which attempts to explain mechanistically the causes of hypertension, which is a chronic disease characterized by elevation of blood pressure.