Articles with the keyword: 
How to print out a blood vessel
sumsung submitted, created time 1 year 11 months (www.nature.com)
A tissue engineering group has succeeded in creating functional blood vessels and cardiac tissue, using a printer that dispenses cells instead of ink. The work, published this month in Tissue Engineering, is among the first to produce functional three-dimensional tissue using a printer, and a milestone on the way to the goal of printing out whole organs. 
Tiny Robot Walks Using Rat Heart Muscle
Sue Wu submitted, created time 2 years 1 month (discovermagazine.com)
Scientists in Korea have designed a crablike robot that is smaller than the thickness of a fingernail and powered by contractions of cardiac tissue.
jane2007 submitted, created time 2 years 2 months (www.nature.com)
This is a significant research that it will help thousands of people escape form cardiac tissue. Rat hearts, stripped of their cells by detergents, have been used as a scaffold to engineer a bioartificial heart, which can amazingly pump a little like the original organ. One day, it will be used to repair heart damage or even generate new hearts for transplantation.
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