Cardiac muscle tissue, or myocardium ... Cardiac muscle cells appear striated or striped under a microscope. These stripes occur due to alternating filaments that comprise myosin and actin ...

Two proteins in the sarcomeres, which give the tissue the characteristic striation pattern, were marked with antibodies and visualized by different fluorophore-conjugated antibodies: titin appears ...

Scientists have successfully grown human heart ... tissues under stressed conditions to see what makes them more susceptible to this often deadly condition. But Costa pointed out the tissue ...

Since heart muscle cells don't regenerate, the repair consists of cobbling together a scar tissue patch. The problem is that the scar can invade healthy heart tissue in the days or weeks following ...