Artificial Human Ear Printed from Sheep Cells

Research into growing replacement tissues has made a major leap forward with the announcement that life-like artificial human ears have been 3D printed from cow and sheep tissue.

In an article published in the Journal of the Royal Society Interface, Dr. Thomas Cervantes and his colleagues at the Massachusetts General Hospital have debuted their method for growing a human ear from animal tissue.

According to the paper, the process for creating their artificial ear involved designing a 3D printed mold to house the organic materials. Beyond its bovine collagens and ovine ear cartilage cells, the mold also contained a titanium wire that guided the chimeric solution into forming something roughly ear-shaped.

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