en·do·pros·the·sis -präs-'thē-səs n, pl -the·ses -.sēz an artificial device to replace a missing bodily part that is placed inside the body
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en·do·pros·the·sis (en″do-pros-theґsis) [endo- + prosthesis] 1. a prosthesis placed entirely within the body, such as in arthroplasty. 2. a hollow stent, such as one inserted into a bile duct to allow biliary drainage across an obstruction.Medical dictionary. 2011.