<prompt> Most vascular part of bone :Repeat Kerala 2007EpiphysisMetaphysisDiaphysisPeriosteum  <response>: Ans b metaphysis Ref: Maheswari 3ed 157Metaphysis is the most vascularised zone of the bone due to which it becomes a favorite site for osteo-myelitis.In metaphysic vessels are arranged in the form of loop hair pin arrangementBlood stasis ;bacteria settleMost common site for osteomyelitisStrongest part of bone -Diaphysis 