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Anatomy and physiology of the kidney

anatomy and physiology of the kidney

Denise Ng

on 20 March 2013

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Transcript of Anatomy and physiology of the kidney

The Kidney Functions of the kidney Excretion of waste products
Electrolyte homeostasis
Osmolarity regulation
BP regulation
Secretion of hormones Anatomy Anatomy Nephron Houses the loop of Henle and collecting duct of the nephron Transports urine from the renal papillae to renal pelvis Releases urine into the calyces Site for water, urea and salt absorption Nephrons are the smallest functional unit in the kidney
Our body has about 1million nephrons Nephron Nephron
Blood flows through afferent arteriole
Higher pressure forces small molecules such as water, glucose, amino acids, sodium chloride and urea through the filter
Glomerular capsule --> Bowman's capsule (Ultrafiltration)
Ultrafiltrate moves through proximal convoluted tube, the loop of Henle, the distal convoluted tubule, and a series of collecting ducts to form urine. Filtration Reabsorption Solutes and water are removed from the tubular fluid and transported into the blood. Outer portion of the kidney between the renal capsule and the renal medulla
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