Human Heart Anatomy Diagram - Labeled Cross-Section Illustration #2367948 (License: Personal Use)

This high-detail 19th-century engraving depicts a sagittal section of the human heart, revealing internal anatomy such as the right and left atria (labeled 1 and 7), ventricles (3 and 6), pulmonary artery (10), aorta (9), and chordae tendineae (5). Numbered annotations correspond to standard anatomical terminology used in historical and modern medical texts. The fine linework and shading emphasize muscle texture, valve structure, and spatial relationships critical for understanding cardiac physiology.

Used in medical textbooks, educational websites, anatomy courses, and clinical reference materials to teach cardiovascular structure; matches user intent for learning, reviewing, or illustrating heart anatomy for students, educators, or healthcare professionals.