Truly amazing developments are coming, Google:
"Israel's Medical Startups Can Regrow Bones, But Can They Do So With Money?"
towards the end:
"Meretzki is now working on growing bone tissue with cartilage attached, which would enable joint replacements. The most significant application would be for hip replacements. If Bonus BioGroup succeeds in its research, it anticipates snagging a large share of the joint replacement market, estimated at $28 billion in 2010. It is expected to reach $32.4 billion in 2015, according to a report by U.S.-based market forecaster BCC on orthopedic implants and regenerative products."