Growing Bioartificial Organs
It'd be a huge relief to the medical world if we could just make new organs. We've tried faking it with some degree of success--hearts, for example, are somewhat replicable with similar machines, and dialysis can replace kidneys from an external vantage point--but some organs are too subtle to simply swap out with cyborg parts. And some people prefer not to walk around like Darth Vader, with inorganic body parts powering their newly bizarre existence.
