Myocyte death and formation of new myocytes by the CSCs are the two processes that enable this organ to maintain a proper and uninterrupted cardiac output from birth to adulthood and into old age.

Adult rat cardiac myocyte: The protein alpha-actinin (red) reveals the periodic structure of the myofibril. Two nuclei are stained in blue. Disclaimer: AAAS and EurekAlert! are not responsible for ...