Most vascular zone of the bone is: (A) Metaphysis, (B) Diaphysis, (C) Epiphysis, (D) Medullary Cavity
Answer is A. 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)