Kidney From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search For other uses‚ see Kidney (disambiguation). Kidney | | Human kidneys viewed from behind with spine removed | Latin | Ren (Greek: nephros) | Artery | renal artery | Vein | renal vein | Nerve | renal plexus | The kidneys are organs that serve several essential regulatory roles in most animals‚ including vertebrates and some invertebrates. They are essential in the urinary system and also serve homeostatic functions such
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Primary functions of the kidney: — Maintaining homeostasis through the regulation of fluid and electrolytes and removing wastes through the formation of urine. ž Other important functions: — Regulation of acid-base balance — Control of blood pressure — Renal clearance — Regulation of RBC production — Synthesizing vitamin D to the active form — Secreting prostaglandins — Regulating calcium and phosphorus balance. Nephron ž Each kidney has about 1 million
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Kidneys * Kidneys maintain the purity and constancy of our in internal fluids. Every day‚ the kidneys filter gallons of fluid from the bloodstream. They then process this filtrate‚ allowing wastes and excess ions to leave the body in urine while returning needed substances to the blood in just the right proportions. Kidneys also regulate the blood’s volume and chemical makeup so that the proper balance between water and salts and between acids and bases is maintained. * The Kidneys alone
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donors are recruited (or learn through word-of-mouth and volunteer) and flown to another nation‚ where the organ is removed in a makeshift operating room. KIDNEY THEFT While at first believed to be a true but surreal horror story (often involving the victim waking up in a bathtub full of bloody ice cubes)‚ and then dismissed as an urban legend‚ kidney theft has been known to happen. A day laborer‚ Mohammad Salim Khan‚ who lived close to Delhi‚ India‚ was looking for a day’s wages when he agreed to go
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keeping the blood glucose at set point. Picture 1 ( http://www.bio.miami.edu/~cmallery/150/physiol/c45x10glu-homeostasis.jpg) In the homeostatic system many organs have specific roles. The kidney as several roles as a homeostatic organ‚ one of the roles is the regulation of blood PH ‘the kidney excrete a variable amount of hydrogen ions into the urine and conserve bicarbonate ions’ (Principles of human anatomy) as these two activities help regulate the blood PH level. The urogenital system
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Diet For Renal Patient Fluid & Fluid Control Kidneys help control the amount of fluid that leaves your body. If your kidney disease progresses‚ your kidneys may be unable to regulate the removal of fluid from your body and as a result your doctor may ask you to limit your fluid intake. Too much fluid may cause swelling‚ shortness of breath‚ or high blood pressure. What exactly is a fluid? Fluids are any food that is liquid or anything that melts into a liquid. Examples of fluids include the
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The liver converts excess protein into urea. The kidneys remove unwanted substances such as urea‚ excess water and salt. © Boardworks Ltd 2009 What is urea? Excess amino acids in the body are broken down by the liver‚ producing a waste substance called urea. This process is important because it converts toxic ammonia to urea‚ which is done using carbon dioxide. Once formed‚ urea is transported by the circulatory system to the kidneys. The kidneys filter the blood‚ removing urea and excess water
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KIDNEY TRANSPLANT Content Page Introduction 2 Background: History of Kidney Transplants 4 Medical Technique 7 Social Issues Related To Kidney Transplant 12 Bibliography 13 Introduction The kidneys are located at the rear of the abdominal cavity and are approximately 10cm long and 5.5cm thick. They are packed with roughly one million microscopic filtering units called nephrons. This huge supply of filters correlates with the main function of kidneys
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Kidney Cancer KIdney Cancer is when cells in the body grow out of control. These cells can form a tumor or damaged tissue. If cancer cells grow in the kidney‚ it is called kidney cancer. The most common kidney cancer in adults is renal cell carcinoma. It forms in the lining of very small tubes in the kidney. Cancers found in the center of the kidney are known as transitional cell carcinoma. Wilms tumor is a kidney cancer that very young children can get. On average‚ people are diagnosed with kidney
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Kidney stones can be formed due to changes in the normal balance of water‚ salts‚ and minerals in the urine. Sometimes minerals in urine mutually attached and form a small Kidney stone. Its size varies‚ ranging from the size of sugar crystals until the ping-pong ball. The difference of mineral composition changes also result in kidney stones. In General‚ most kidney stones rarely realized until it causes blockage in the urinary tract. These conditions will cause pain radiating from the front of
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