Blood vessels are vital parts of the body’s circulatory system that supply the organs with nutrients and remove waste. Scientists have developed artificial tissue from the heart, liver and lungs, but creating a synthetic network of blood vessels to support these organs has been a challenge.

Scientists from the Universities of Sydney, Harvard, Stanford and MIT have been working together to overcome this challenge.

Now, the researchers have created artificial blood vessels in a lab using 3D-printing methods. The bioprinted structures could be used for transplants or for testing new drug.

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