In With One Ear and Right Out With the Other

“The lab builds a scaffold of the needed body part with a porous nanocomposite material, developed and patented by the team, and then puts it in a bioreactor with some of the patient’s bone marrow. The patient’s cells cover the scaffold and fill its many holes so that it essentially becomes the patient’s own.”
 — Here is a photo gallery of human ears, noses, and other essentials being created at University College London.