Here are the essential concepts you must grasp in order to answer the question correctly.
Nephron Structure
Nephrons are the functional units of the kidney, consisting of a renal corpuscle and a renal tubule. They are responsible for filtering blood and forming urine. Cortical nephrons are primarily located in the renal cortex and have shorter loops of Henle, while juxtamedullary nephrons extend deeper into the medulla, featuring longer loops that play a crucial role in concentrating urine.
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Capillary Structure
The capillaries surrounding nephrons, specifically the glomeruli, differ in structure based on the nephron type. Cortical nephrons have peritubular capillaries that are more extensive and located in the cortex, while juxtamedullary nephrons have vasa recta, which are long, straight capillaries that follow the nephron loops, aiding in the concentration of urine through countercurrent exchange.
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General Structure of Capillary Beds
Renal Corpuscle
The renal corpuscle is the initial filtering component of the nephron, consisting of the glomerulus and Bowman's capsule. While the basic structure is similar in both nephron types, variations can exist in size and the arrangement of the glomerular capillaries, which can influence filtration rates and overall kidney function.
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