<ul><li>Scientists at Stanford University have developed a 3D printing technique to print living heart tissue, with the goal of creating crucial pieces of the heart like valves and ventricles that can grow with the patient.</li><li>Bioprinting, a process that uses living cells to create organ-like structures, can take years to print one cell at a time. Stanford scientists speed up the process by printing clusters of thousands of cells called organoids.</li><li>1 in 100 children in the US are born with heart defects, and although they can receive transplants, the body can reject them 20-30 years later. Bioprinting organs using a patient's own cells could reduce these cases.</li></ul>

Stanford researchers develop 3D printed heart tissue using stem cells

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