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Cardiac skeleton. In cardiology, the cardiac skeleton, also known as the fibrous skeleton of the heart, is a high-density homogeneous structure of connective tissue that forms and anchors the valves of the heart, and influences the forces exerted by and through them. The cardiac skeleton separates and partitions the atria (the smaller, upper ...
The four cardiac valves are kept in their place partly because of the fibrous skeleton of the heart, which is a collection of connective tissue. It consists of the right fibrous trigone (which along with the membranous septum forms the central fibrous body), the left right fibrous trigone, and the conus tendon. The right fibrous trigone is the ...
The fibrous cardiac skeleton gives structure to the heart. It forms the atrioventricular septum, which separates the atria from the ventricles, and the fibrous rings, which serve as bases for the four heart valves. [22]
The conduction system consists of specialized heart muscle cells, situated within the myocardium. [3] There is a skeleton of fibrous tissue that surrounds the conduction system which can be seen on an ECG. Dysfunction of the conduction system can cause irregular heart rhythms including rhythms that are too fast or too slow.
The heart valves and the chambers are lined with endocardium. Heart valves separate the atria from the ventricles, or the ventricles from a blood vessel. Heart valves are situated around the fibrous rings of the cardiac skeleton. The valves incorporate flaps called leaflets or cusps, similar to a duckbill valve or flutter valve, which are ...
Pericardium. Walls of the heart, showing pericardium at right. The pericardium (pl.: pericardia), also called pericardial sac, is a double-walled sac containing the heart and the roots of the great vessels. [1] It has two layers, an outer layer made of strong inelastic connective tissue (fibrous pericardium), and an inner layer made of serous ...
Anatomical terminology. [edit on Wikidata] Illustration depicting the layers of the heart wall including the innermost endocardium. The endocardium (pl.: endocardia) is the innermost layer of tissue that lines the chambers of the heart. Its cells are embryologically and biologically similar to the endothelial cells that line blood vessels.
Atrioventricular septum. Interior of heart. (AV septum not labeled, but region is visible.) Coronal cross section of heart. Note how the septum between the RA and LV becomes membranous. The atrioventricular septum is a septum of the heart between the right atrium (RA) and the left ventricle (LV). [1][2] Although the name "atrioventricular ...
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related to: fibrous skeleton of the heart- 262 Neil Avenue # 430, Columbus, Ohio · Directions · (614) 221-7464
