(a,b) Representative μCT 3-D reconstructions for mouse tibia fracture, (c,d) corresponding tetrahedral FE meshes, (e,f) cut-away images of the tetrahedral FE meshes showing internal elements and material types. Element colors represent material type of bone (red), callus (green), and void (blue). (a,c,e) 10 day post fracture, (b,d,f) 14 day post fracture.