'Afferent arterioles' diaporamas de présentation

Chapter 17

Chapter 17. Physiology of the Kidneys. 17-1. Chapter 17 Outline Overview of Kidney Structure Nephron Glomerular Filtration Function of Nephron Segments Renal Clearance Hormonal Effects Na + , K + , H + , and HCO 3 - Relationships Clinical Aspects. 17-2. Kidney Function.

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Physiology of the Kidneys

Physiology of the Kidneys. Kidney Function. Regulate ECF (plasma and interstitial fluid) through formation of urine and the concentration of ions in the ECF (Na + ,K + ,Cl - ,HCO 3 ,Ca +2 ,Mg +2 ,SO 4 -2 ,PO 4 -3 ). Primary function. Regulate volume of blood plasma. Blood Pressure.

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Glomerular Filtration

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Regulation of GFR

Regulation of GFR. Dr. Eman El Eter. Glomerular Filtration Rate (GFR). Defined as: The volume of filtrate produced by both kidneys per min Averages 125 ml/min Totals about 180L/day (45 gallons) So most filtered water must be reabsorbed or death would ensue from water lost through urination

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WASTES and EXCRETORY SYSTEMS

WASTES and EXCRETORY SYSTEMS. Unicellular organisms get rid of wastes by the use of a contractile vacuole. It expels excess water that enters the cell through osmosis since the organism is hypertonic to the surrounding solution.

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