Question

Collecting duct of nephron extends kidney from cortex to

• A. Capsule region
• B. Medulla
• C. Hilus
  
• D. Ureter

Answer 1

Answer: (B)

Medulla

A. Capsule region or renal capsule is a fibrous layer that surrounds the kidney.

B. Medulla is the innermost part of the kidney.

C. Hilus or hilum is a deep notch or a cavity present in the medial portion of kidney.

D. Ureters are the ducts through which urine passes from kidneys to the bladder.

Collecting ducts are the last parts of nephrons and extends from cortex to the medulla in the kidneys.

So, the correct answer is 'Medulla'.