Cardiac Muscle Cell Labeled. In the connective tissue between cardiac muscle cells are nuclei of other cells such as fibroblasts and endothelial cells of capillaries. Cardiac muscle has to.
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These cells can shorten and lengthen their myofibers to create the pumping force of the heart. Like skeletal muscle cardiac muscle cells are striated due to a similar arrangement of contractile proteins. Contractions of the heart heartbeats are controlled by specialized cardiac muscle cells called pacemaker cells that directly control heart rate.
Cardiac muscle tissue is made up of many interlocking cardiac muscle cells or fibers that give the tissue its properties.
Cardiac muscle cells contain myofibrils whose sarcomeres are. Cardiac muscle 100X In this image you can see cells sectioned longitudinally ls and transversely cs. There are 2 main types of cardiac muscle cells in the myocardium. The matrix is formed of proteins such as elastin and collagen along with polysaccharides sugar chains called glycosaminoglycans.
