Human Digestive System Anatomy Diagram | Medical Illustration #3336448 (License: Personal Use)

This black-and-white line illustration depicts the major components of the human gastrointestinal system, including the stomach, small intestine, large intestine (colon), sigmoid colon, rectum, and anus. Labels are placed precisely to identify each organ’s location and relationship within the abdominal cavity. The diagram emphasizes structural organization rather than histological detail, making it ideal for introductory anatomy learning.

Used in medical education websites, patient information portals, and biology textbooks to help learners visualize digestive anatomy; matches user intent for “digestive system diagram,” “GI tract labeled,” or “human colon anatomy.”