a specialized form of striated muscle occurring in the hearts of vertebrates.
the myocardium.
n.
The muscle of the heart, consisting of anastomosing transversely striated muscle fibers formed of cells united at intercalated disks; the myocardium.muscle of heart
Cardiac muscle – Wikipedia
Cardiac muscle – Wikipedia
Cardiac muscle | anatomy | Liberal Dictionary
Mitochondrial protein in cardiac muscle cells linked to heart
Cardiac Muscle – Assignment Point
Human Physiology – Overview of Smooth and Cardiac Muscle – YouTube