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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
In giant cell tumor of the bone.,the cell of origin is
assistant
The correct answer is  The Neoplastic cells of giant cell tumor are primitive osteoblast precursors but they represent only a minority of the tumor cells.The bulk of the tumor consists of non Neoplastic osteoclast and their precursors Ref Robbins page no 1203