Noun
regenerative medicine (countable and uncountable, plural regenerative medicines)
Medicine that replaces or regenerates human cells, tissue or organs, to restore or establish normal function.
I'm the chief science officer of a foundation that works on the application of regenerative medicine to the problem of aging. Aubrey de Grey
These include parts of human kidneys, livers, jaw bones etc. Regenerative medicine is one of the hottest areas of modern science and already complete head replacement of persons is under planning, allowing complete bodies to be changed! Source: Internet