Nephron Structure & Urine Collection — NEET Biology
📚 Practice ConceptA hairpin shaped Henle's loop is the next part of the tubule which has a descending and an ascending limb. The ascending limb continues as another highly coiled tubular region called distal convoluted tubule (DCT). The DCTs of many nephrons open into a straight tube called collecting duct, many of which converge and open into the renal pelvis through medullary pyramids in the calyces.
Arrange the following structures in the correct sequence of urine movement within a nephron: 1. Distal convoluted tubule (DCT) 2. Bowman’s capsule 3. Collecting duct 4. Henle’s loop 5. Proximal convoluted tubule (PCT)
View solution & NCERT explanation
Correct answer: A — 2 → 5 → 4 → 1 → 3
Filtrate first enters Bowman’s capsule (2). It then passes into the proximal convoluted tubule (PCT) (5). From there, it moves into the Henle’s loop (4). The filtrate continues into the distal convoluted tubule (DCT) (1). Finally, it enters the collecting duct (3) before reaching the renal pelvis. Thus, the correct sequence is 2 → 5 → 4 → 1 → 3.
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