eecue writes: A biotech startup in San Diego called Organovo (previously on slashdot) has a device that prints out three dimensional veins. The material used is a specially cultured slurry of stem cells from the patient who will eventually receive the transplant. Printing circulatory tissue is an important step towards on demand organs. I toured their facility for Wired and shot a (single page) gallery of their vein-making-robot in action.
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