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 Endocardium
Medically reviewed by Min Clinic Staff | Updated: January 2026
Endocardium: The lining of the interior surface of the heart chambers. The endocardium consists of a layer of endothelial cells and an underlying layer of connective 'tissue.