Artificial bladder. Artificial bladder in a beaker inside an incubator. The bladder has been grown from cultured bladder cells in five weeks. After four weeks of growth, the tissues needed to form the replica bladder were layered onto a bladder- shaped mould to finish their development. This organ could be used to replace congenitally- deformed or diseased bladders. After three months, the biodegradable polymer that forms the bladder's mould will have totally dissolved. The growth of organs from cultured cells would end the need for organ donors. This bladder was grown by a team led by Dr. Atala of Harvard Medical School, Massachusetts, USA.

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