Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Muscle, cardiac
Medically reviewed by Min Clinic Staff | Updated: January 2026
Muscle, cardiac: A type of muscle with unique features only found in the heart. The cardiac muscle is the muscle of the heart and medically is called the myocardium ("myo-" being the prefix denoting muscle).