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15 Cards in this Set
- Front
- Back
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Which kidney is lower and why?
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The right kidney, since it's crowded by the liver?
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Where are the kidneys located?
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Retroperitoneally, in the superior lumbar region, extending from twelfth thoracic to third lumbar vertebra
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What's the medially located, vertical cleft in the kidney called? Where does it lead?
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The renal hilus, it leads to the renal sinus
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What happens at the hilus?
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Ureters, renal blood vessels, lymphatics and nerves enter and exit.
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What does the urinary bladder do?
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It provides temporary storage for urine
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What's the role of the ureters?
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Transportation of urine from the kidney to the bladder
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What's the role of the urethra?
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To transport urine out of the body
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How many liters of blood do the kidneys filter daily?
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About 200L
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What's gluconeogenesis?
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Formation of glucose by the kidney and liver from noncarbohydrate sources such as amino acids and the glycerol portion of fats
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What are the roles of the kidneys?
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1) Filtration of toxins, wastes, and ions from the blood
2) Regulation of the volume and chemical makeup of blood 3) Balancing content of waters, salts, acids, and bases 4) Gluconeogenesis during prolonged fasting 5) Production of renin to help regulate blood pressure 6) Production of erythropoietin to stimulate RBC production 7) Activation of vitamin D |
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What's a nephron?
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The structural and functional unit of a the kidney
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How many nephrons does a kidney contain?
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Over 1 million
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What two components make up the renal corpuscle?
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Bowman's capsule and glomerulus
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What two components make up a nephron?
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The renal corpuscle and the renal tubule
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Describe the glomerular endothelium
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Fenestrated epithelium that allows solute-rich, virtually protein-free filtrate to pass from blood into the glomerular capsule
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