What term is used to describe the blood vessels which take blood away from the Bowman's capsule in the kidney?

Question

BlackTom AI · Accepted Answer

To tackle this question, I’ll compare each option in turn and relate it to the anatomy of the renal corpuscle.
Option 1: afferent. The afferent arteriole carries blood toward the glomerulus, entering Bowman's capsule. It is responsible for delivering blood to the filtration site, not for draining it away. Therefore this option describes the inlet, not the outlet, making it incorrect for vessels that carry blood away.
Option 2: collecting. The collecting ducts (and thus the collecting system) are part of the nephron’s tubule system that collects urine and channels it toward the renal pelvis. They are not blood vessels and do not carry blood away from Bowman's capsule, so this choice mismatches the vascular context entirely.
Option 3: distal. The term distal commonly refers to a location along the nephron (distal convoluted tubule, distal nephron segments) or to a relative position, not to a type of blood vessel. It does not denote a vessel that leaves Bowman's capsule, making it inaccurate for describing efferent flow.
Option 4: efferent. The efferent arteriole is the blood vessel that exits the glomerulus after filtration, carrying blood away from Bowman's capsule. It is precisely the vessel class described as taking blood away from Bowman's capsule, aligning with the standard renal physiology terminology.
Across the options, the core distinction hinges on directionality: afferent vs efferent describe entry vs exit from the glomerulus; collecting and distal refer to distinct anatomical or functional parts outside the direct vascular outflow from Bowman's capsule. The only choice that matches a vessel carrying blood away from Bowman's capsule is efferent, while the others either describe entry (afferent), non-vascular structures (collecting), or unrelated nephron segments (distal).

What term is used to describe the blood vessels which take blood away from the Bowman's capsule in the kidney?单项选择题

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