Biological molecules, such as proteins and complex sugars, used to make medical devices, including structural elements used in reconstructive surgery.

That category of MATERIALS TECHNOLOGY which addresses materials that function in biological application (e.g., medical implants) or are derived through biological types of processes ( e.g., spider silk). [ 12

materials with novel chemical, physical, mechanical, or "intelligent" properties, produced through processes that employ or mimic biological phenomena.

Any substance, synthetic or natural, that can be used as a system or part of a system that treats, augments, or replaces any tissue, organ, or function of the body