In medicine, a prosthesis is an artificial extension to the body. Prostheses are typically used to replace parts lost by injury or missing from birth, supplement defective parts, allow transsexuals to change their outward physical gender, and in moviespecial effects.
... where he was ordained on May 24, 1864. On May 10, 1873, at his request, he was permitted to travel to Molokai to help the lepers who had virtually nothing to keep them ...