Kidneys and Urinary Tract

Bladder (Urinary), Anatomy, Location, Parts and Pictures

The urinary bladder is a hollow muscular organ located in the lesser pelvis when empty. It serves as a reservoir for urine and can stretch considerably to store close to a maximum of 500 milliliters of urine. The average full bladder that is not overly distended contains about 350 milliliters of urine. It receives urine >> Read More ...

Types of Bladder Cancer and Staging of Bladder Malignancy

Types of Bladder Cancer More than 90% of bladder cancer are transitional cell carcinomas and less frequent malignant tumors arising from bladder are squamous cell carcinoma (5%), adenocarcinoma (3%) and undifferentiated carcinomas (like small cell carcinoma and giant cell carcinoma; 1%). Sarcoma, melanoma and lymphomas of >> Read More ...

Urinary Tract Anatomy, Location, Parts and Pictures

The organs of urinary system includes the kidneys, ureters, urinary bladder and urethra. Collectively, these organs produce urine, store it and pass it out of the body. The process, however, has far reaching consequences in the body and an integral role in maintaining homeostasis. Since the kidney controls the fluid volume >> Read More ...

Acute Kidney Failure (Acute Renal Failure, ARF)

The kidneys are important organs that have several functions in the body. The primary function is the filtration of waste products from the blood, but in the process, the kidneys also regulate the water and electrolyte levels in the body. The latter therefore impacts on blood volume and blood pressure. It can influence >> Read More ...

Pyelonephritis (Kidney Infection) Causes, Signs and Symptoms

The kidneys are two bean-shaped organs lying on either side of the back of the upper abdomen. It is tucked under the ribcage. On a daily basis, the kidneys filter over 1.5 liters of blood and forms approximately 1 liter of urine containing waste products, water and electrolytes. This is then passed down the ureters into >> Read More ...

Kidney Dialysis Methods, Machine and Indications for its Use

One of the most important functions of the kidneys in a healthy individual is to filter and remove harmful waste products from the blood. Furthermore, by regulating the amount of urine excreted, the kidneys can help to maintain the fluid balance of the body. Blood electrolytes such as sodium, potassium, and bicarbonate >> Read More ...

Nephron (Glomerulus and Tubule) Structure, Diagram, Functions

The main function of the kidney is to filter fluid from the blood and concentrate the solution of waste materials which is passed out as urine. It can also control the levels of electrolytes and water that is lost in the urine or retained in the body thereby influencing blood volume and blood pressure. This ensures that >> Read More ...

Hydronephrosis (Kidney Swelling with Urine Blockage)

The kidneys are the two bean-shaped organs located on either side of the abdominal cavity. It is responsible for the expulsion of waste substances from the body and also has an effect on blood pressure and other vital functions. The human kidneys filter blood throughout the day and night thereby producing some 1 to 2 >> Read More ...

Trigonitis (Trigone of the Urinary Bladder Cell Changes)

What is trigonitis? Trigonitis is a condition where the the cells lining the lower part of the bladder undergo changes into a different cell type. The affected part of the bladder is known as the trigone, hence the term trigonitis. There is often confusion about trigonitis since the term -itis usually indicates >> Read More ...

Renal Artery Stenosis (Narrow Kidney Artery)

What is renal artery stenosis? Renal artery stenosis is a narrowing of the artery that carries blood to the kidney. It may occur in one or both arteries and its branches. When the artery is fully blocked then it is known as renal artery occlusion. As the artery narrows it reduces the blood flow to the kidney and this >> Read More ...
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