Cardiac Muscle Tissue Anatomy & Physiology Review Lecture

Cardiac muscle tissue review for anatomy and physiology courses and nursing students.

In this video, I cover some of the core concepts you'll need to know for cardiac muscle tissue. There are three types of muscle tissue in the human body: skeletal, smooth, and cardiac muscle tissue.

Cardiac muscle tissue is relatively short in comparison to skeletal muscle, and it has a branched appearance. Instead of having several nuclei around its peripheral portions, it has 1-2 nuclei near the center of the cell.

Cardiac muscle tissue, like skeletal muscle tissue, also contains myofibrils and sarcomeres, which allow the cells to contract through sliding filaments. The filaments in the myofibris/sarcomeres also create the striated (striped) appearance found in skeletal and cardiac muscle tissue.

Cardiac muscle cells attach to each other through intercalated discs. These intercalated discs contain gap junctions, desmosomes, and fasciae adherens.

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