Initial stage of clinical union of bone is equivalent to: (A) Callus formation with woven bone, (B) Woven bone Formation, (C) Haematoma formation, (D) Calcification formation only
Answer is A. The first signs of union are seen in stage of hard callus formation A. Clinical sign:fracture is no more mobile B. Radilogical sign :callus is seen on X ray *hard callus is immature woven bone* Ref: Maheshwari 9th/e p 12