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11 Cards in this Set
- Front
- Back
Nephron |
Each kidney has 1 million _____. _____ is the functional unit of the kidney. It performs the major function of eliminating toxins and harmful substances from the blood, regulating blood vol. and press., regulating plasma concentrations of important ions and blood pH, and conserves valuable nutrients. |
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Filtrate |
Pressure in the glomerulus forces a fluid, called_____, out of blood and into capsular space. The filtrate contains good substances like nutrients and beneficial ions as well as bad substances like waste, toxins, and harmful ions. |
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Tubular fluid |
As the filtrate enters the renal tubule it is now called? |
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Peritubular fluid |
Fluid surrounding the tubule |
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Peritubular capillaries |
Good stuff re-enters the blood stream by diffusing back into the _______ ______ |
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Micturition |
Bad ions and harmful substances end up as urine in the collecting duct and are dumped into to minor calyces, major calyces, flow through the renal, into the ureter and are stored in the bladder until released by _______ (urination) |
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Glomerular filtration |
The removal of substances from blood by forcing them, under pressure, across the filtration membrane |
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Tubular reabsorption |
The return of beneficial substances (nutrients, ions, vitamins and water) from the filtrate to the blood. |
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Tubular secretion |
The addition of excess potassium ions and hydrogen ions from the blood to the filtrate. |
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Cortical nephron |
These nephrons are located almost entirely within the superficial cortex of the kidney |
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Juxtamedullary nephrons |
This nephron has long nephron loops that extend deep into the medulla |