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19 sty 2022 · What is the epicardium? The epicardium refers to the outermost protective layer of the heart. The epicardium is composed of mesothelium, a cell type that covers and protects most of the internal organs of the body as well as fat and connective tissue.
- Pericarditis and Pericardial Effusion
With pericarditis, “peri” means “around,” card means “the...
- Endocardium
Endocarditis refers to inflammation of the inner layer of...
- Pericarditis and Pericardial Effusion
26 lip 2024 · The three heart wall is divided into three layers: epicardium, myocardium, and endocardium. Epicardium: the outer protective layer of the heart. Myocardium: muscular middle layer wall of the heart. Endocardium: the inner layer of the heart.
20 paź 2024 · The endocardium lines the chambers where the blood circulates and covers the heart valves. It is made of simple squamous epithelium called endothelium, which is continuous with the endothelial lining of the blood vessels (Figure \(\PageIndex{4}\)).
3 lis 2023 · The epicardium is the outermost layer of the heart. It is actually the visceral layer of the serous pericardium, which adheres to the myocardium of the heart. Histologically, it is made of mesothelial cells, the same as the parietal pericardium.
30 paź 2023 · The visceral portion (that is in contact with the heart) is called the epicardium. It is a mesothelium derivative that is rich in adipocytes and neurovascular tissue. This layer is well lubricated, which facilitates smooth movement of the heart against the parietal pericardium during contraction.
2 sty 2023 · The inner serous pericardium, or visceral pericardium, is also part of the epicardium. In between the outer and inner serous layer is a potential space known as the pericardial cavity containing pericardial fluid, which is produced and reabsorbed by the microvilli on the mesothelial cells.
The epicardium promotes macrophage (MC) recruitment, neovascularization as well as cardiomyocyte (CM) cell cycle re-entry via secretion of mitogens (dashed arrows). epi = epicardium, sub-epi = sub-epicardium, myo = myocardium.