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Bioprinting holds the promise of engineering organs on demand. Now, researchers have solved one of the major bottlenecks—how to create the fine networks of blood vessels needed to keep organs alive.

Stay up to date with Albert Rieger (German, 1834 - 1905) . Discover works for sale, auction results, market data, news and exhibitions on MutualArt.

Researchers have developed mice with organs containing human cells, using a convenient and surprising approach — injecting the cells directly into the amniotic fluid of pregnant mice.