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Towards a Mass Production System for Liver Organoids

Researchers can create functional organ tissue in small quantities, building few-millimeter-sized structures known as organoids. Yet because there is still no reliable approach to the creation of the capillary networks required to support thick tissue sections, this cannot yet scale up to the production of full-size replacement organs. That may not be a roadblock for organs such as the liver and kidney, which are responsible for what are essentially chemical manufacture and filtration tasks; in this case the large-scale structure of the organ isn't as important as the small-scale structure, and much of the organ might be thought of as countless tiny factories operating independently in response to circumstances.
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