髓质

例句：

1. 1. The doctor removed the patient's bone marrow to treat his cancer.
   医生取出患者的骨髓来治疗他的癌症。
2. 2. The scientist discovered new ways to stimulate bone marrow for bone growth.
   科学家发现了刺激骨髓以促进骨生长的新方法。
3. 3. The patient was given a bone marrow transplant to replace his damaged bone tissue.
   患者接受了骨髓移植来替代他受损的骨骼组织。