Digestive System of an Obese Male, Anterior View

Description

Centered in an anterior abdominal cutaway, the stomach occupies the epigastrium and left upper quadrant, tucked inferior to the left lobe of the liver and medial to the splenic region. The pylorus transitions into the proximal duodenum, which sweeps rightward and posteriorly toward the head of the pancreas before continuing as jejunal loops that fill the central abdomen. Framing these small-bowel coils, the large intestine courses from the cecum and ascending colon on the right, across the transverse colon, then down the left via the descending and sigmoid colon to the rectum and anal canal. Subhepatic anatomy is emphasized, with the gallbladder lodged on the visceral surface of the liver and the pancreas lying posterior to the stomach along the duodenal C-loop. Obesity changes the way clinicians think about this layout, because increased visceral and omental fat can limit exposure of the gastrocolic ligament, obscure the lesser sac, and make retraction of the left lobe of the liver during upper GI surgery more demanding. The close focus on the stomach and proximal small bowel maps directly onto common gastroenterology problems, including peptic ulcer disease at the gastric antrum and duodenal bulb, and pancreatobiliary pain patterns where the pancreas and duodenum sit in tight anatomical continuity. It also supports bariatric surgery teaching, where sleeve gastrectomy and Roux-en-Y gastric bypass depend on accurate orientation of the lesser curvature, pylorus, and proximal jejunum. Use this artwork in anatomy and physiology modules covering the alimentary tract, in gastroenterology board review material, or in patient-facing education for endoscopy, cholecystectomy, and bariatric pathways where an anterior organ roadmap prevents misunderstanding. It also fits operative notes, clinical trial protocols, and medical publishing layouts that need a clean, organ-level overview without distracting musculoskeletal detail. Anatomical accuracy verified by SciePro's Medical Advisory Board.