In dogs, the valves are often the first heart structures that are affected. (2ndchance.info)
ORLANDO, Fla. — Even though studies have found that marathoners can experience changes in heart structure and function consistent with cardiac damage, the runners aren't necessarily having small heart attacks, a new investigation has found. (sciencenews.org)
4) Co-authors of the study of heart structure development, published in Developmental Biology (May), were Deborah Yelon and Sally Horne, a graduate student. (ucsf.edu)