Results FPCL contraction is due to the traction force generated by fibroblasts.The traction force is a compound force exerted by extension of cellular pseudopod and contractile structure in cytoplasm.

• 结果FPCL的收缩是由成纤维细胞产生的一种牵拉力而引起，该力是一种复合式动力，由细胞突起的延伸运动与细胞浆内的收缩结构共同产生。