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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The Case of the Man with the Swollen Kidneys Mr. Newman is a 49 year old male who has hematuria‚ fever and severe flank pain. He also has bilateral lumbar tenderness‚ bilateral renal enlargement‚ liver enlargement‚ ankle and facial edema‚ skin pallor‚ and lung sounds suggest pulmonary edema. His vital signs are as follows: BP 172/100‚ heart rate 92 beats per minute‚ and a temperature of 102.2 F. There have been some labs done. His red blood count is 3.1 million cells‚ white blood count is 22
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. Update Article NSAIDs and Kidney P Ejaz‚ K Bhojani‚ VR Joshi* Abstract NSAIDs are commonly used drugs. Even with the advent of selective COX-2 inhibitors‚ nephrotoxicity still remains a concern. The adverse effects of NSAIDs are mediated via inhibition of prostaglandin synthesis from arachidonic acid by non-specific blocking of the enzyme cyclooxygenase leading to vasoconstriction and reversible mild renal impairment in volume contracted states. When unopposed‚ this may lead to acute tubular
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symptomfind.com/health/preventing-kidney-stones/ http://www.medicinenet.com/polycystic_kidney_disease/page2.htm 10 Important Tips For Preventing Kidney Stones By MaryAnn DePietroΙ March 13‚ 2012 AA Kidney stones are hard‚ small masses‚ which can develop inside the kidneys. Risk factors include family history‚ dehydration‚ obesity‚ taking certain types of medications and eating a diet high in protein and salt. Stones can become very painful as they travel from the kidney and move into the ureter. In
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What are some of the different types of kidney stones? A kidney stone develops from crystals that separate from urine and build up on the inner surfaces of the kidney. Normally‚ urine contains chemicals that prevent or inhibit the crystals from forming‚ however‚ in some people‚ stones still become formed. Crystals that remain small enough will travel through the urinary tract and pass out of the body in the urine without even being noticed. · calcium stones Calcium stones are the most common type
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Identify the Problem The kidney is an extraordinary organ. Without its processes‚ human life would be virtually impossible. It is a very well known fact that when individuals consume large amounts of liquid‚ they eliminate much of the liquid through urine. On the other hand‚ when individuals are severely dehydrated very little urine is formed. This certainly illustrates that control mechanisms in the human being can regulate the amount of urine that is formed. When tap water is ingested
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Homeostasis: The process of the body maintaining a constant internal environment‚ despite any external changes. Homeostasis ensures that the following are kept the same: Body temperature Amount of water in our body Blood glucose levels Breathing rate Heart rate How are things kept the same? 1. Receptors: They detect a change in the things such as temperature 2. Processing: Centre receives information and coordinates a response 3. Effects: Produce a response that ensures our body temperature stays
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of “I’m donating my kidney to a stranger” “I’m donating my kidney to a stranger” is an article written by Richard Wilson in 2008. The article is about a woman‚ Paula Wilson‚ who is considered to be Scotland’s first altruistic organ donor. Paula’s decision began when her mother suffered from kidney failure. Paula wanted to donate her kidney to her mother‚ to save her. Unfortunately Paula and her mother’s blood type wasn’t the same. Therefore Paula couldn’t donate her kidney to her mother. When
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Kidneys for sale: poor Iranians compete to sell their organs In the only country where the organ trade is legal‚ the streets near hospitals have been turned into a ’kidney eBay’ Would-be sellers advertise their kidneys by writing their blood type and phone number on posters or walls of the street close to several of Tehran’s major hospitals. Photograph: Torab Sinapour for the Guardian Marzieh’s biggest challenge in life is to come up with money for her daughter’s wedding. In Persian custom‚ it
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out that I needed a kidney transplant. About Three hours later we show up at Children Mercy hospital at about 8:15 when our appointment was at 8:00‚ which is actually early for my family‚ because my family is always late. We go up to the first floor and go to the kidney center. On the way over to the kidney center my mom and dad still contently ask if I’m ok and telling me that everything will be alright. We finally get into the kidney center and I get signed in. This kidney appointment was different
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urea or uric acid. Osmolarity is controlled by selective reabsorption/secretion. C 5 types of excretory systems: None in porifera‚ cnidaria Protonephridia in planaria & rotifers Metanephridia in annelids Malpighian tubules in terrestrial arthropods Kidneys (with nephrons) in vertebrates Protonephridia Have flame bulbs‚ tubules‚ and nephridopores. C Flame bulbs selectively filter body fluid to nitrogenous waste. C Fluid collects in tubules and drips outside through the nephridopore. Metanephridia
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