News tagged with heart muscle

Related topics: heart · heart failure · heart attack · stem cells · heart disease

Heart failure risk factors need a closer look

Assessing the risk of heart attack and stroke is a common practice among doctors and their patients; however, the risk factors for heart failure are not as clearly laid out or considered. A group of Baylor College of Medicine ...

Jan 11, 2018
popularity17 comments 0

Deep insight into the heart

By no means are only elderly people at risk from heart diseases. Physically active individuals can also be affected, for example if a seemingly harmless flu bug spreads to the heart muscle. Should this remain undetected and ...

Dec 08, 2017
popularity0 comments 0

Cardiac muscle

Cardiac muscle is a type of involuntary striated muscle found in the walls of the heart, specifically the myocardium. Cardiac muscle cells are known as cardiac myocytes (or cardiomyocytes). Cardiac muscle is one of three major types of muscle, the others being skeletal and smooth muscle. The cells that comprise cardiac muscle are sometimes seen as intermediate between these two other types in terms of appearance, structure, metabolism, excitation-coupling and mechanism of contraction. Cardiac muscle shares similarities with skeletal muscle with regard to its striated appearance and contraction, with both differing significantly from smooth muscle cells.

Coordinated contraction of cardiac muscle cells in the heart propel blood from the atria and ventricles to the blood vessels of the circulatory system. Cardiac muscle cells, like all tissues in the body, rely on an ample blood supply to deliver oxygen and nutrients and to remove waste products such as carbon dioxide. The coronary arteries fulfill this function.

This text uses material from Wikipedia, licensed under CC BY-SA

Subscribe to rss feed