Fig. 1. The sequence of normal ossification of a vertebrae. Step 1, the ossification of the spinous process; Step 2, closure of the posterior neuropore; Step 3, fusion of the vertebral body; Step 4, fusion of the pedicles to the vertebral body and Step 5, the final fused vertebra.

Anat Cell Biol 2022;55:399~405 https://doi.org/10.5115/acb.22.062

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