Regenerative body parts through use of an extra cellular matrix is being used in different hospitals. Doctors and scientists are able to grow custom-made body parts (tissue and organs) that can be implanted into humans. The US military services is helping to fund these projects to support the wounded veterans. Many investors are funding these projects across the nation as it’s a growing new field.

https://www.cbsnews.com/stories/2008/03/22/sunday/main3960219.shtml
https://www.youtube.com/watch?v=qxhi4Q8EDTU