system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Cast is produced due to damage to-
assistant
The correct answer is  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.