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  2. Renal artery stenosis - Wikipedia

    en.wikipedia.org/wiki/Renal_artery_stenosis

    Renal artery stenosis (RAS) is the narrowing of one or both of the renal arteries, most often caused by atherosclerosis or fibromuscular dysplasia. This narrowing of the renal artery can impede blood flow to the target kidney , resulting in renovascular hypertension – a secondary type of high blood pressure .

  3. Kidney - Wikipedia

    en.wikipedia.org/wiki/Kidney

    Part of the renal cortex, a medullary ray is a collection of renal tubules that drain into a single collecting duct. [citation needed] Renal histology is the study of the microscopic structure of the kidney. The adult human kidney contains at least 26 distinct cell types, [25] including epithelial, endothelial, stromal and smooth muscle cells ...

  4. Renal artery - Wikipedia

    en.wikipedia.org/wiki/Renal_artery

    Renal artery stenosis, or narrowing of one or both renal arteries will lead to hypertension as the affected kidneys release renin to increase blood pressure to preserve perfusion to the kidneys. RAS is typically diagnosed with duplex ultrasonography of the renal arteries. It is treated with the use of balloon angioplasty and stents, if necessary.

  5. Hypertensive kidney disease - Wikipedia

    en.wikipedia.org/wiki/Hypertensive_kidney_disease

    Hypertensive nephropathy refers to kidney failure that can be attributed to a history of hypertension [7] It is a chronic condition and it is a serious risk factor for the development of end-stage kidney disease (ESKD). However, despite the well-known association between hypertension and chronic kidney disease, the underlying mechanism remains ...

  6. Kidney disease - Wikipedia

    en.wikipedia.org/wiki/Kidney_disease

    Kidney failure is known as the end-stage of kidney disease, where dialysis or a kidney transplant is the only treatment option. Chronic kidney disease is defined as prolonged kidney abnormalities (functional and/or structural in nature) that last for more than three months. [ 1 ]

  7. Category:Kidney diseases - Wikipedia

    en.wikipedia.org/wiki/Category:Kidney_diseases

    Pages in category "Kidney diseases" The following 122 pages are in this category, out of 122 total. ... Renal angina; Renal artery stenosis; Renal cyst; Renal infarction;

  8. Stenosis - Wikipedia

    en.wikipedia.org/wiki/Stenosis

    Stenosis (from Ancient Greek στενός (stenós) 'narrow') is the abnormal narrowing of a blood vessel or other tubular organ or structure such as foramina and canals. It is also sometimes called a stricture (as in urethral stricture ).

  9. Angiopathy - Wikipedia

    en.wikipedia.org/wiki/Angiopathy

    The decrease of blood flow through stenosis or clot formation impairs the flow of oxygen to cells and biological tissues (called ischemia) and leads to cellular death (necrosis and gangrene, which in turn may require amputation).