Fig. 8.

a Pedicle dimensions of the human and porcine vertebra. Bars indicate the positive SD. h Human, p porcine, PedW pedicle width, PedH pedicle height. b Pedicle angle dimensions of the human and porcine vertebra. Bars indicate the positive SD. h Human, p porcine, PedA pedicle angle. c Ratios of pedicle width/upper end-plate width, and pedicle height/central vertebral body height for human and porcine vertebrae. PedW pedicle width, PedH pedicle height, UEPW upper end-plate width, VBHc central vertebral body height