prosthesis

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prosthesis (pros-th'ee-sis) n. (pl. prostheses) any artificial device that is attached to the body as a substitute for a missing or nonfunctional part. Prostheses include artificial limbs, hearing aids and cochlear implants, dentures, and implanted pacemakers. See also implant. penile p. a malleable, semirigid, or inflatable rod inserted into the corpora cavernosa of the penis to produce rigidity sufficient for vaginal penetration in men with erectile dysfunction.
—prosthetic (pros-thet-ik) adj.

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