他的小组已经在受伤的膝盖半月板上直接打印细胞来重建组织，而且在AAAS会议上，他在约20分钟内用硅原子打印了一个耳朵。
His group has printed cells directly into the meniscus of an injured knee to reconstruct it, and at the AAAS meeting, he printed an ear out of silicon in about 20 minutes.
镰状细胞病的特征是红血球形状发生突变，由平滑的圆圈形状改变为新月形或半月形。
Sickle-cell disease is characterized by a modification in the shape of the red blood cell from a smooth, donut-shape into a crescent or half moon shape.
方法分别自3周龄大耳白兔关节软骨和半月板分离软骨细胞，行单层传代培养和离心管培养。
Methods Chondrocytes isolated from articular cartilage and meniscus of rabbits aged 3 weeks were respectively passaged in monolayer and cultured in centrifuge tube.
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