Which structure contains the convoluted tubules and renal corpuscle?

Which structure contains the convoluted tubules and renal corpuscle?

• A. Convoluted tubules & renal corpuscle
• B. Collecting ducts
• C. Renal papillae
• D. Renal pelvis

Answer: (A)

In the kidney, the parts of the nephron that form the filtering unit—the renal corpuscles (glomeruli) and the convoluted tubules (proximal and distal)—are located in the renal cortex. The collecting ducts, renal papillae, and renal pelvis are associated more with the medulla or the urine-collecting/urinary drainage system, not with the cortical nephrons. Therefore, the choice that lists the convoluted tubules and renal corpuscle best points to the cortical region containing these components; that cortical location is what the question is asking about.

In the kidney, the parts of the nephron that form the filtering unit—the renal corpuscles (glomeruli) and the convoluted tubules (proximal and distal)—are located in the renal cortex. The collecting ducts, renal papillae, and renal pelvis are associated more with the medulla or the urine-collecting/urinary drainage system, not with the cortical nephrons. Therefore, the choice that lists the convoluted tubules and renal corpuscle best points to the cortical region containing these components; that cortical location is what the question is asking about.