However, development of cartilaginous tissue engineering is obsessed by another unsolved problem which is how to obtain a lot of seed cells (chondrocyte) possessing normal phenotype.

• 但是制约软骨组织工程发展的困难之一，即如何获得大量具有正常软骨细胞表型的种子细胞(软骨细胞)，到目前为止还没有得到有效的解决。