Scientists have built a minute, functioning vascular system - the branching network of blood vessels which supply nutrients and oxygen to tissues - in a significant step towards building whole organs.

Conventional tissue engineering methods have successfully grown structural tissues such as skin and cartilage in the lab. But not being able to create the supporting vascular system has proved a major stumbling block preventing scientists from creating large functioning organs such as liver or kidneys.


user posted image View: Full Article | Source: Yahoo News