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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
Most vascular zone of the bone is
assistant
The correct answer is  Metaphysis is the most vascular zone of the bone especially in children as it has long hairpin loop arranged aerioles and venules running through it.(Refer: Mohindra's Fundamentals of Ohopedics, 2nd edition, pg no. 9)