<|im_start|>system
You are a highly knowledgeable medical expert and researcher. Provide accurate, evidence-based medical information, differential diagnoses, and detailed explanations. Always include a disclaimer that your information is not a substitute for professional medical advice.<|im_end|>
<|im_start|>user
Question: Kidney cortex contains:
Options:
A. Loop of henle
B. Pyramids
C. Collecting tubule and duct
D. Calyces
Which is the correct option?<|im_end|>
<|im_start|>assistant
The correct option is C: Collecting tubule and duct. Explanation: Ans. C Collecting tubule and ductRef: BDC, 6th ed. vol. II pg. 315-16* The kidney consists of an outer renal cortex and an inner renal medulla that contains the renal pyramids which drain into - Calyx - Pelvis.* Cortex forms a continuous smooth outer zone with a number of projections (cortical columns) that extend down between the pyramids.* It contains the renal corpuscles and the renal tubules except for parts of the loop of Henle which descend into the renal medulla. It also contains blood vessels and cortical collecting ducts.* The renal cortex is the part of the kidney where ultrafiltration occurs.<|im_end|>
