Tissue regeneration

[tony12345]

Doctors Transplant Vein Grown from Patient's Own Cells

http://gma.yahoo.com/doctors-transplant-vein-grown-patients-own-cells-210445965--abc-news-health.html

[DrBonesaw]

If you read the article it actually isn't the patient's own stem cells, the protein lines for her veins were donated by a 30 year old man, still it is quite the feat of modern technology in medicine.