Cast is produced due to damage to-: (A) Nephron, (B) Tubule, (C) PCT, (D) DCT
Answer is D. Ans. is 'd' i.e., DCTUrinary casts o Urinary casts are cylindrical aggregations of paiculate matter that form in the distal convoluted tubule or the collecting duct.o They form precipitation of Tam-Horsfall mucoprotein which is secreted by renal tubule cells and sometimes also by albumin in conditions of proteinuria.