Fig. 1From: Effect of Whitlockite as a new bone substitute for bone formation in spinal fusion and ectopic ossification animal modelExperiment images of abdominal pouch model. a the abdominal skin was opened without interrupting muscle tissue. b six pouches in the muscle tissue was made without hurting peritoneum. c 15 mg bone substitute was implanted in the muscle pouch. d, the muscle was sutured, and the defect was closed layer by layerBack to article page