Human Biliary System Anatomy Diagram - Gallbladder and Ducts Labeled #30715 (License: Personal Use)

This black-and-white anatomical drawing depicts the human biliary system, including the gallbladder, cystic duct, hepatic duct, common bile duct, and spiral valves of Heister. The illustration uses fine stippling to convey texture and depth, typical of vintage medical textbooks, and emphasizes structural relationships critical for understanding bile transport and gallstone pathophysiology.

Used in medical education, anatomy textbooks, gastroenterology resources, and patient education materials to explain biliary anatomy and related conditions like cholecystitis or choledocholithiasis.