Fig. 6

LM of control (a & b) and study groups (C & D) showing the middle part of the suture. a A higher magnification of (inset 2 in Fig. 4 a) of control group showing numerous small blood vessels (arrows). b A higher magnification of the inset in the previous photograph showing a narrow band of new bone formation on one side of the suture (double headed arrows) and flattened osteoblasts (arrows) lining the bone surface. c A higher magnification of (inset 2 in Fig. 4b) of study group showing the formation of a wide band of new bone (double headed arrows) on each side of the suture and numerous dilated blood vessels (arrow heads). d A higher magnification of the inset in the previous photograph showing the width of the new bone (double headed arrow) which is covered by voluminous osteoblasts (arrows). (H&E; A&C × 100, B&D × 400)