University of michigan researchers are reporting significant progress in growing bioengineered heart muscle , or behm , with organized cells , capable of generating pulsating forces and reacting to stimulation more like real muscle than ever before 密西根州大学研究人员报道了生物工程心肌组织( behm ,存在有机细胞成分)的最新进展,它能够搏动并对正常刺激起反应,同以前研究相比,功能上已经很接近真正的心肌组织。