After the preparation of bladder acellular matrix graft? the color of the bladder turned into white acellular matrix? but the bladder still kept the bag-like shape.

• 膀胱无细胞基质移植物的制备过程结束后,膀胱由原来的颜色变为白色的无细胞基质,但仍维持其原来的袋样形态。