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22: The Urinary System

Last updated

Apr 4, 2022
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- 21.6: Accessory Organs in Digestion- The Liver, Pancreas, and Gallbladder
- 22.1: Prelude to the Urinary System

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22.1: Prelude to the Urinary System
The urinary system has roles you may be well aware of: cleansing the blood and ridding the body of wastes probably come to mind. However, there are additional, equally important functions played by the system.
22.2: Gross Anatomy of Urine Transport
Rather than start with urine formation, this section will start with urine excretion. Urine is a fluid of variable composition that requires specialized structures to remove it from the body safely and efficiently. Blood is filtered, and the filtrate is transformed into urine at a relatively constant rate throughout the day. This processed liquid is stored until a convenient time for excretion.
22.3: Gross Anatomy of the Kidney
22.4: Microscopic Anatomy of the Kidney
The renal structures that conduct the essential work of the kidney cannot be seen by the naked eye. Only a light or electron microscope can reveal these structures. Even then, serial sections and computer reconstruction are necessary to give us a comprehensive view of the functional anatomy of the nephron and its associated blood vessels.

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