Objective: To assess the capacity of cardiac cells to reestablish contractile tissue structure in vitro, and observe the effect of cardiac cells cultured in an environment of simulated microgravity.

• 目的：观察心肌细胞体外培养形成三维组织结构的能力和过程及心肌细胞在模拟微重力状态下的三维固定化培养效果。