Main Page | See live article | Alphabetical index 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 movie special effects. Some types of prosthetics include: artificial limbs corrective lenses cochlear implants ocular prosthetics facial prosthetics somato prosthetics surgical prosthetics maxillo-facial prosthetics See also: orthosis This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.