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.
... at Halle for two years, he became, in 1833, professor at the university of Königsberg[?], where he remained till his death. In his last years he was quite ...