In the end, the layering approach produced a more cohesive tissue that contracted with more force - a key finding because embedding has been seen as the more promising technique.

• 结论是：细胞贴附于表面的方法能够产生粘附性更强的组织，收缩更有力（重要的发现），而埋入凝胶中的方法则被认为是更具有前景的技术。