Select your answer:
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Regulation of Urine Formation › ViewCountercurrent mechanism to maintain the concentration gradient in the medullary interstitium. This special arrangement occurs in:-
A. PCT and capillary net
B. DCT and PCT
C. Henle’s loop and vasa recta
D. PCT and collecting duct
Pathophysiology › View
Removing a small piece of tissue for microscopic examination is known as a(n)
A. biopsy
B. invasion
C. frozen section
D. Pap test