Tracheae
Researchers have populated a non-human trachea with human

Kidneys
Two rebuilt kidneys lastes 15 minutes in an Ex Vivo System

Livers
Researchers are trying to build liver cells out od stem cells.

1. Decellularized Organ
Cells are stripped from a non-human organ, leaving a scaffoid.

2. Patient cells
In the bioreactor, human cells are put on the scaffold where they repopulate.

3. Bioreactor
A chamber that can grow organs under controlled conditions.

4. New organ
New organs that will on day end up inside the human body are grown on the bioreactor.