MRCP UK EXAMINATIONS

Detailed explanation-1: -The individual cardiac muscle cell (cardiomyocyte) is a tubular structure composed of chains of myofibrils, which are rod-like units within the cell. The myofibrils consist of repeating sections of sarcomeres, which are the fundamental contractile units of the muscle cells.

Detailed explanation-2: -[1] Cardiomyocytes are striated, uninucleate muscle cells found exclusively in the heart muscle.

Detailed explanation-3: -Cardiac muscle tissue, or myocardium, is a specialized type of muscle tissue that forms the heart. This muscle tissue, which contracts and releases involuntarily, is responsible for keeping the heart pumping blood around the body.

Detailed explanation-4: -The muscles of the heart are called the cardiac muscles or myocardium which is responsible for the pumping of the heart all the time.