The one exception of an involuntary muscle is the myocardium, or heart muscle. The myocardium is composed of a specialized type of muscle cell called cardiac muscle that is only found in the heart.

Cardiac hypertrophy is the abnormal enlargement, or thickening, of the heart muscle, resulting from increases in cardiomyocyte size and changes in other heart muscle components, such as ...

Cardiac fibrosis is a major and complex pathophysiological process that ultimately culminates in cardiac dysfunction and heart failure. This phenomenon includes not ...

Before an intercostal muscle strain is diagnosed, other causes of chest pain may need to be ruled out. An electrocardiogram (EKG) and echocardiogram (echo) may be performed to examine your heart ...

Muscle is a soft tissue composed of elongated cells (muscle fibres) that produce force and motion through contraction. Involuntary cardiac and smooth muscles are responsible for contraction of the ...

Have you ever worked out and watched your muscles grow before your eyes? While this is a fun, satisfying sight to behold, it's unfortunately temporary. Known as a muscle pump, this type of instant ...

Cardiac fibrosis plays an indispensable role in cardiac tissue homeostasis and repair after myocardial infarction (MI). The cardiac fibroblast-to-myofibroblast differentiation and extracellular matrix ...

Editor’s note: Dr. Jamin Brahmbhatt is a urologist and robotic surgeon with Orlando Health and an assistant professor at the University of Central Florida’s College of Medicine. Contrary to ...

People with pockets of fat hidden inside their muscles are at a higher risk of ... Director of the Cardiac Stress Laboratory at Brigham and Women's Hospital and Faculty at Harvard Medical School ...