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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 .
9 cze 2024 · The endocardium is the inner membrane that lines the heart’s cavities and covers the valves. It keeps the blood flowing and supports the regulation of heart rhythm.
4 sty 2024 · Structurally, the endocardium is comprised of loose connective tissue and simple squamous epithelial tissue – it is similar in its composition to the endothelium which lines the inside of blood vessels.
23 kwi 2024 · Endocardium is a continuous shell, filling any irregularities in the structure of the myocardium, covering the heart chambers and valves, posterior medial and anterolateral papillary muscles, tendon filaments.
The endocardium has three components: a single layer of flat endothelial cells in direct contact with the blood-filled chamber, a dense inner connective tissue layer, and a loose outer connective tissue layer (Fig. 10.11). The last two layers are sometimes lumped together and referred to as the subendocardium.
1) The endocardium is responsible for the blood flowing freely throughout the tissues, as it provides a smooth surface for the interior of the heart. Thanks to the endocardium, the blood components do not adhere to the heart’s walls; if this happens, it could cause tissue damage or induce blockages.
20 paź 2024 · Composed primarily of cardiac muscle, with small amounts of endomysium, the contractile force of the myocardium propels blood forward through the pulmonary and systemic circuits. As with skeletal muscle, the amount of force generated increases with increasing numbers of myofibers.
