ULTRAFILTRATION: Process involving the filtration of blood flowing through Glomerulus within the Bowman's Capsule to produce Glomerular Filtrate composed of Water, Salts, Glucose and Urea
ULTRAFILTRATION
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Diagram showing the Process of Ultrafiltration
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PROCESS:
Renal Artery transports Oxygenated blood to the Glomerulus within the Bowman's Capsule under high pressure
High hydrostatic pressure is due to the wider afferent arteriole transporting blood to the Bowman's Capsule, and narrow efferent arteriole transporting blood out of Capsule
Blood is therefore filtered at high pressure to produce Glomerular Filtrate composed of Water, Glucose, Salts and Urea
However, as Proteins and Red blood cells are too large to be filtered through base membrane - material between Glomerulus and Bowman's Capsule, they will remain in blood
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COMPONENTS OF GLOMERULAR FILTRATE:
COMPONENT
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REABSORBED AT
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WATER
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Collecting Duct
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SALT
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Loop of Henle
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GLUCOSE
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Proximal Convoluted Tubule (PCT)
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UREA
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Not Reabsorbed
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