Human Heart Anatomy Diagram - Labeled Cross-Section for Medical Education #139663 (License: Personal Use)

This medical illustration depicts a sagittal cross-section of the human heart, revealing the right and left atria and ventricles, along with the tricuspid and mitral valves. Major vessels-including the aorta, pulmonary artery, superior vena cava, and pulmonary veins-are color-coded for clarity. The image emphasizes structural relationships essential for understanding cardiac function and circulation.

Used in educational websites, medical textbooks, anatomy courses, and patient education materials to explain heart structure and function; matches user intent for learning or teaching cardiovascular anatomy.