ossific

例句：

1. 1. The patient's bone structure had begun to ossify.
   患者的骨骼结构已经开始骨化。
2. 2. The disease is often associated with a loss of mobility due to bone ossification.
   这种疾病通常与由于骨变硬而导致的移动能力丧失有关。
3. 3. Ossification of the patella can lead to knee pain and stiffness.
   髌骨骨化可能导致膝盖疼痛和僵硬。