Diseases, Conditions, Syndromes

New study uses health factors to predict kidney function recovery

Researchers at the University of Cincinnati College of Medicine have created a scoring model that uses key health indicators to accurately predict recovery for patients who experience kidney failure due to acute kidney injury ...

Diseases, Conditions, Syndromes

Women face worse chronic kidney disease management in primary care

Women receive worse primary care-based chronic kidney disease (CKD) management than men, according to a research letter published in the Journal of the American Medical Association to coincide with the annual meeting of the ...

Diseases, Conditions, Syndromes

Vitamin D deficiency tied to worse outcomes with early kidney disease

Vitamin D deficiency is associated with increased risks for cardiovascular mortality and chronic kidney disease (CKD) progression in patients with early-stage disease, according to a study published online May 11 in the Journal ...

Kidney

The kidneys are paired organs, which have the production of urine as their primary function. Kidneys are seen in many types of animals, including vertebrates and some invertebrates. They are part of the urinary system, but have several secondary functions concerned with homeostatic functions. These include the regulation of electrolytes, acid-base balance, and blood pressure. In producing urine, the kidneys excrete wastes such as urea and ammonium; the kidneys also are responsible for the reabsorption of glucose and amino acids. Finally, the kidneys are important in the production of hormones including vitamin D, renin and erythropoietin.

Located behind the abdominal cavity in the retroperitoneum, the kidneys receive blood from the paired renal arteries, and drain into the paired renal veins. Each kidney excretes urine into a ureter, itself a paired structure that empties into the urinary bladder.

Renal physiology is the study of kidney function, while nephrology is the medical specialty concerned with diseases of the kidney. Diseases of the kidney are diverse, but individuals with kidney disease frequently display characteristic clinical features. Common clinical presentations include the nephritic and nephrotic syndromes, acute kidney failure, chronic kidney disease, urinary tract infection, nephrolithiasis, and urinary tract obstruction.

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