Researchers have 3D printed a minute functioning liver.

Researchers have 3D printed a minute functioning liver. The tiny organ (0.5 mm thick and 4 mm wide) replicates key processes of the liver, such as producing albumin and a fat-carrying cholesterol. The system will change the way laboratory tests and medical research is conducted, and could eventually produce 3D livers for transplants. In the image: a cross-section of the 3D bio-printed liver tissue.

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