Fig. 5From: Positive effect on spinal fusion by the combination of platelet-rich plasma and collagen-mineral scaffold using lumbar posterolateral fusion model in ratsHistological images of 12-week specimens from each group upon hematoxylin and eosin (H&E) staining (original magnification, × 40). a PRP group. b PPP group. c Control group. No inflammatory or lymphatic cells were observed in each specimen of the three groups. The specimen from the PRP group demonstrated more new bone formation. TP transverse process, BM bone marrow, G granules of mineral carrierBack to article page