Brain cells grown out of rats' bone marrows. No problem, we'll grow it in a few weeks. Yes, it may sound like science fiction. And yes, it may sound horrible to some. But stem cells may make it all possible.
Stem cells are 'embryonic' cells.
That is, they are cells which have not yet been told whether they should turn into eye cells or lung cells. By performing medical trickery on these cells, scientists have shown that they may be able to turn these cells into any kind of body cell. While we wait for the next revolution in organ production, here's a collection of links to articles and websites which delve further into the matter. A truly wonderful page from the WhyFiles. Click on a body part and find out how it will be replaced in the future.