The 'vasa recta' are specialized capillary loops that arise primarily from the efferent arterioles of:
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Correct answer: Juxtamedullary nephrons
Juxtamedullary nephrons have efferent arterioles that descend into the medulla to form the vasa recta. These long, straight vessels are essential for maintaining the osmotic gradient required for urine concentration.
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More Renal Blood Supply questions
- Which of the following describes the histological structure of the glomerular capillaries?
- What is the physiological significance of the 'arteriolar-capillary-arteriolar' arrangement in the kidney?
- The 'stellate veins' of the kidney are located:
- Which vein directly receives blood from both the vasa recta and the interlobular veins?
- Which part of the renal vasculature is most susceptible to hypoxic injury due to the countercurrent exchange system?
- In the juxtaglomerular apparatus, the afferent arteriole contains specialized smooth muscle cells known as: