prosthesis
n. (pl.
prostheses) an artificial device that is attached to or implanted in the body to replace a missing body part or to improve a dysfunctional one. Prostheses include artificial limbs, artificial joints, and plastic heart valves. Recent work has produced neuroprosthetic devices that allow, for example, control of prosthetic limbs through voluntary neural impulses. Also called prosthetic device. —prosthetic
adj.