Cardiomyocytes are the specialized muscle cells that make up the cardiac muscle tissue of the heart, playing a crucial role in the heart’s ability to pump blood effectively throughout the body. These cells are characterized by their striated appearance and unique ability to contract rhythmically and continuously without fatigue. Cardiomyocytes are connected by intercalated discs, which contain gap junctions and desmosomes, facilitating synchronized contraction and communication between cells.