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Building human body parts
By Lauren Russell, CNN
4:00 PM EST, Mon November 30, 2015
Photos: Building human body parts
Alex Seifalian's lab at University College London helps people who lose body parts to repair themselves by growing new ones. Seifalian calls his lab "the human body parts store." Researchers create new parts with synthetic materials and a patient's stem cells. In this photo, we see a nose mold made of nanocomposite material seeded with cells in a cell solution.