A) base of medullary pyramid
B) tip of medullary pyramid
C) the major calyx
D) the pelvis.
Correct Answer: C
Solution :
Area cribrosa in the medullary papilla is seen together with minor calyx. Minor calyx is the subdivision of a major calyx in the pelvis of the kidney. The minor calyx is an infolded tube forming a double-walled cup. The inner wall of the calyx fits over the papilla of a pyramid. Area cribrosa are the sieve-like appearance of the papilla which is produced by the large number of collecting tubules passing through it.
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