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Study Notes
- The renal system has 5 main functions.
- Metabolic waste products exit the renal system through urine. Malfunction in the system can affect waste product elimination.
- The renal system includes various anatomical structures with different functions.
- Urine flows from the collection duct to the urethra.
- Nephrons are delivered with blood and nutrient/waste exchange takes place in the glomerulus.
- The renal corpuscle has various tissue layers and barriers that facilitate or hinder the mobility of blood components. Fluid/solutes must pass through these layers to go from the circulatory system to the nephron.
- Podocytes, mesangial cells, and macula dense cells have different functions in the nephron.
- Each section of the nephron has a different physiological function, solutes moving, driving forces, and transport mechanism.
- The kidney is divided into two major divisions. The local environment of the kidney aids in the function of the nephrons.
- There are two main types of nephrons.
- Hormones such as aldosterone and antidiuretic hormone impact renal physiology.
- Absorption and secretion occur in different parts of the nephron and have different mechanisms.
- GFR is the glomerular filtration rate and is regulated by various processes.
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