This is really great progress. 3d printing of tissues specific to a patient that has no rejection risk in vivo would be a major breakthrough for medicine and su

This is really great progress. 3d printing of tissues specific to a patient that has no rejection risk in vivo would be a major breakthrough for medicine and surgery. Let's hope they can eventually do the same with arteries, muscle, bone, and nerves, though it's all likely decades away from routine use. Of course cost will be a major factor, especially since it must be catered to each patient.