| ossicular prosthesis | An implant used to replace one or more of the ear ossicles. They are usually made of plastic, gelfoam, ceramic, or stainless steel. (12 Dec 1998) |
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| testicular prosthesis | A device placed surgically in the scrotum in males with absence or severe hypoplasia of the testis. Synonym: testicular prosthesis. (05 Mar 2000) |
| tilting disc valve prosthesis | A low profile artificial heart valve with excellent flow characteristics. (05 Mar 2000) |
| joint prosthesis | An artificial substitute for a missing joint. (12 Dec 1998) |
| knee prosthesis | Replacement for a knee joint. (12 Dec 1998) |