Physiology
Textbooks
Boundless Anatomy and Physiology
Urinary System
Physiology Textbooks Boundless Anatomy and Physiology Urinary System
Physiology Textbooks Boundless Anatomy and Physiology
Physiology Textbooks
Physiology

Section 3

Physiology of the Kidneys

Book Version 29
By Boundless
Boundless Anatomy and Physiology
Physiology
by Boundless
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5 concepts
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Overview of Urine Formation

Urine is formed in three steps: filtration, reabsorption, and secretion.

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Glomerular Filtration

Glomerular filtration is the renal process whereby fluid in the blood is filtered across the capillaries of the glomerulus.

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Regulation of Glomerular Filtration Rate

Regulation of GFR requires both a mechanism of detecting an inappropriate GFR as well as an effector mechanism that corrects it.

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Tubular Reabsorption

Tubular reabsorption is the process by which solutes and water are removed from the tubular fluid and transported into the blood.

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Tubular Secretion

Hydrogen, creatinine, and drugs are removed from the blood and into the collecting duct through the peritubular capillary network.

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