U-M team reports success of rapid 3-D cell-growth technique that produces pulsing, organized tissue A length of bioengineered heart muscle, or BEHM, grown at the University of Michigan using rat cardiac muscle cells and a fibrin gel base. Click here for more information. ANN ARBOR, Mich. — It looks, contracts and responds almost like natural heart muscle – even though it was grown in the lab. And it brings scientists another step closer to the goal of creating replacement parts for damaged human hearts, or eventually growing an entirely new heart from just a spoonful of loose heart cells. This...