修复受损伤的膝盖是一件很复杂的事情，因为关节上的软骨是很难再生的，在一些情况下对关节进行整体更换是唯一可行的办法。
Fixing damaged knees is tricky because the form of cartilage found in the joints does not easily regenerate and in some cases total joint replacement is the only option.
研究者说这个结果给人类再生自己的骨头和软骨的未来铺平了道路。
The researchers say the results pave the way for a future where people grow their own bone and cartilage.
克隆技术很有希望产生烧伤和其它事故受害者所需的再生肌肤、软骨和骨头组织，以及治疗脊髓损伤的神经组织。
It held great promise for producing replacement skin, cartilage, and bone tissue for burn and accident victims, and nerve tissue to treat spinal cord injuries.
应用推荐