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Professor Alexander Seifalian poses for a portrait in his office at his research facility in the Royal Free Hospital in London. In the north London hospital, scientists are growing noses, ears, and blood vessels in the laboratory in a bold attempt to make body parts using stem cells. It is among several labs around the world, including in the U.S., that are working on the futuristic idea of growing custom-made organs in the lab. While only a handful of patients have received the British lab-made organs so far— including tear ducts, blood vessels and windpipes — researchers hope they will soon be able to transplant more types of body parts into patients, including what would be the world's first nose made partly from stem cells. "It's like making a cake," said Alexander Seifalian at University College London, the scientist leading the effort. "We just use a different kind of oven." (AP Photo/Matt Dunham)


A synthetic polymer nose, left, and ear are posed to be photographed at a research facility in the Royal Free Hospital in London. (AP Photo/Matt Dunham)


Dr. Michelle Griffin, a plastic research fellow, demonstrates for photographs seeding stem cells onto a synthetic polymer ear at her research facility in the Royal Free Hospital in London. (AP Photo/Matt Dunham)


Dr. Griffin poses for photographs with a synthetic polymer ear. (AP Photo/Matt Dunham)


Professor Alexander Seifalian poses for photographs with a synthetic polymer nose. (AP Photo/Matt Dunham)


Professor Alexander Seifalian speaks next to an automated dip coating machine with a synthetic mold of a windpipe. (AP Photo/Matt Dunham)

Read: UK Scientists Make Body Parts in Lab

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