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Apr 5, 2024
- The nephron is the functional unit of the kidney, responsible for filtering blood and producing urine.
- Each kidney contains millions of nephrons, which are made up of a renal corpuscle and a renal tubule.
- The renal corpuscle consists of a glomerulus, a network of capillaries, and a Bowman's capsule, a cup-shaped structure that surrounds the glomerulus.
- Blood is filtered in the glomerulus, with small molecules such as water, ions, and waste products passing through the capillary walls into the Bowman's capsule.
- The filtered fluid, known as filtrate, then passes through the renal tubule, where reabsorption and secretion take place.
- Reabsorption involves the reabsorption of essential substances such as water, glucose, and ions back into the bloodstream.
- Secretion involves the removal of additional waste products and excess substances from the blood into the filtrate.
- The final product, urine, is formed as the filtrate passes through the renal tubule and collecting duct, with excess water and waste products being excreted from the body.
- The nephron plays a crucial role in maintaining the body's fluid balance, electrolyte balance, and acid-base balance.
- Each kidney contains millions of nephrons, which are made up of a renal corpuscle and a renal tubule.
- The renal corpuscle consists of a glomerulus, a network of capillaries, and a Bowman's capsule, a cup-shaped structure that surrounds the glomerulus.
- Blood is filtered in the glomerulus, with small molecules such as water, ions, and waste products passing through the capillary walls into the Bowman's capsule.
- The filtered fluid, known as filtrate, then passes through the renal tubule, where reabsorption and secretion take place.
- Reabsorption involves the reabsorption of essential substances such as water, glucose, and ions back into the bloodstream.
- Secretion involves the removal of additional waste products and excess substances from the blood into the filtrate.
- The final product, urine, is formed as the filtrate passes through the renal tubule and collecting duct, with excess water and waste products being excreted from the body.
- The nephron plays a crucial role in maintaining the body's fluid balance, electrolyte balance, and acid-base balance.
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