Nephrology
Nephrology
Nephrology is a specialty of medicine that focuses on the kidneys, specifically their function, diseases, and treatment. Nephrologists are physicians who specialize in the care and treatment of patients with kidney disorders.
Anatomy of the Kidney
The kidneys are vital organs located in the retroperitoneal space of the abdomen. Each kidney is approximately the size of a fist and is responsible for filtering blood, removing waste, and balancing electrolytes.
Structure
The kidney is composed of several distinct regions:
- Cortex: The outer layer of the kidney, which contains the glomeruli and the proximal and distal convoluted tubules.
- Medulla: The inner region, which contains the loop of Henle and the collecting ducts.
- Renal pelvis: The funnel-shaped structure that collects urine from the collecting ducts and channels it into the ureter.
Functions of the Kidney
The primary functions of the kidneys include:
- Filtration: The process of filtering blood to remove waste products and excess substances, forming urine.
- Regulation: Maintaining homeostasis by regulating the balance of electrolytes, acid-base balance, and blood pressure.
- Hormone production: Producing hormones such as erythropoietin, which stimulates red blood cell production, and renin, which regulates blood pressure.
Common Kidney Diseases
Nephrologists diagnose and treat a variety of kidney diseases, including:
- Chronic kidney disease (CKD): A long-term condition characterized by a gradual loss of kidney function.
- Acute kidney injury (AKI): A sudden decrease in kidney function, often due to injury or illness.
- Glomerulonephritis: Inflammation of the glomeruli, which can lead to kidney damage.
- Polycystic kidney disease (PKD): A genetic disorder characterized by the growth of numerous cysts in the kidneys.
Treatment Modalities
Treatment for kidney diseases may include:
- Dialysis: A procedure that performs the function of the kidneys by removing waste and excess fluid from the blood.
- Kidney transplantation: A surgical procedure to replace a diseased kidney with a healthy one from a donor.
- Medications: To manage symptoms and slow the progression of kidney disease.
Related Pages
Medical Disclaimer: WikiMD is for informational purposes only and is not a substitute for professional medical advice. Content may be inaccurate or outdated and should not be used for diagnosis or treatment. Always consult your healthcare provider for medical decisions. Verify information with trusted sources such as CDC.gov and NIH.gov. By using this site, you agree that WikiMD is not liable for any outcomes related to its content. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates, categories Wikipedia, licensed under CC BY SA or similar.
Translate this page: - East Asian
中文,
日本,
한국어,
South Asian
हिन्दी,
தமிழ்,
తెలుగు,
Urdu,
ಕನ್ನಡ,
Southeast Asian
Indonesian,
Vietnamese,
Thai,
မြန်မာဘာသာ,
বাংলা
European
español,
Deutsch,
français,
Greek,
português do Brasil,
polski,
română,
русский,
Nederlands,
norsk,
svenska,
suomi,
Italian
Middle Eastern & African
عربى,
Turkish,
Persian,
Hebrew,
Afrikaans,
isiZulu,
Kiswahili,
Other
Bulgarian,
Hungarian,
Czech,
Swedish,
മലയാളം,
मराठी,
ਪੰਜਾਬੀ,
ગુજરાતી,
Portuguese,
Ukrainian
