Introduction(1) - Introduction to Renal System In 1901,...

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Unformatted text preview: Introduction to Renal System In 1901, Starling appropriately recognized kidneys as regulatory , rather than excretory organs. The excretory function of the kidneys is central to their ability to regulate the- composition - volume of the body fluids. We will explore various aspects of renal physiology in this course. Major functions of the kidneys are: 1. Regulation of body fluid osmolality and volume 2. Regulation of electrolyte balance 3. Regulation of acid-base balance 4. Excretion of metabolic products and foreign substances 5. Production and secretion of hormones (e.g., erythropoietin) 6. Secrete enzyme renin , which activates hormonal mechanisms (angiotensis, aldosterone) control BP and electrolyte balance . 7. Contribute to calcium homeostasis through their role in synthesizing calcitrol (Vitamin D) We will consider an overview of the functions of the kidneys to provide a broad perspective. Functions of the Kidneys 1. Regulation of Body Fluid Osmolality and Volume The kidneys are critical components of the system that controls both the osmolality and volume of the body fluids Why control body fluid osmolality?- It is important for the maintenance of cell volume in all tissues of the body - Necessary for normal function of the cardiovascular system The kidneys accomplish these important tasks by regulating the excretion of water and NaCl...
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This note was uploaded on 01/07/2012 for the course PHCH 6234 taught by Professor Farqui during the Winter '11 term at Palmer Chiropractic.

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Introduction(1) - Introduction to Renal System In 1901,...

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