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Examples of different urological tissues and organs fabricated by 3D bioprinting: (a) 3D-bioprinted bladder model [97]; (b) 3D-printed rabbit urethra [91]; (c) 3D-bioprinted decellularized vaginal scaffold [92]; (d) 3D-bioprinted testicular hydrogel scaffolds [98]; (e) 3D-bioprinted rat bionic renal vascular scaffold [96].
