Spicules are small, needle-like or star-shaped structures made of calcium carbonate or silica, serving as skeletal elements in various marine invertebrates, particularly sponges. These structures ...

Introduction: Approximately 1 in 4 people will develop heart failure in their lifetime, with more than half being diagnosed with heart failure with preserved ejection fraction and nearly all having ...

Centuries after Leonardo watched a heart beat, a fresh answer is taking shape. A new wave of imaging, genetics, and computation shows that the fine mesh of muscle lining the heart—called ...

A quiet revolution in care is helping patients with cardiac amyloidosis, a form of heart failure that long stumped doctors. By Simar Bajaj When James Hicks, 75, was diagnosed with heart failure, it ...

Researchers at the University of Houston have provided new insights into the basic process of heart development in utero, offering potential advancements in the treatment of heart disease. The study ...

Leonardo Da Vinci was one of the first people to draw detailed sketches of human anatomy. His drawings showed that he noticed networks of muscle fibers on the inside of the heart. Da Vinci thought ...

Cardiac trabeculae form a network of muscular strands that line the inner surfaces of the heart. Their development depends on multiscale morphogenetic processes and, while highly conserved across ...

Department of Medicine and Medical Physiology, University of Calgary, Health Sciences Centre, Alberta, Canada. The effect of temperature on the force-sarcomere velocity relation (20 degrees, 25 ...