Figura 34.3. Anatomia da vesícula biliar e vias biliares extra-hepáticas. (Modifi cado de Gadacz TR. Biliary anatomy and physiology. In: Greenfi eld LJ, Mulholland MW, Oldham KT eds. Surgery: scientifi c principles and practice. Philadelphia: J.B. Lippincott, 1993:931.)