Cartilaginous tissue cultured in centrifuge tube possessed unique ultrastructure and was similar to articular cartilage and epiphyseal plate, but it was markedly different from meniscus.

• 离心管内培养形成的软骨具有独特的超微结构，与骺板及关节软骨有一定的相似性，而与半月板有明显区别。