An artificial heart would be an absolute lifesaver for people with cardiac failure. However, to recreate the complex organ in the laboratory, one would first need to work out how to grow multi-layered, living tissues. Researchers have now come one step closer to this goal: by means of a spraying process, they have created functioning muscle fibers.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2017/11/171107113103.htm
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