Fig. 4.

Dorsal view of the macroscopic examination of the fibrous bundles spreading radially to the pancreatic head. a Dorsal view of the pancreas after removal of the aorta and IVC. The plate-like structure was located between the pancreatic head and the roots of the CeT and SMA (*). b The RtCG was inverted to the left side, and loose connective tissue was removed from the plate-like structure. Fibrous bundles of the plate-like structure were observed between the pancreatic head and the CeT/SMA. These fibrous bundles ran radially from the RtCG and CeT toward the dorsal side of the pancreatic head. CeT celiac trunk, CHA common hepatic artery, D duodenum, IVC inferior vena cava, P pancreas, RtCG right celiac ganglion, SL suspensory ligament of duodenum (Treitz’ ligament), SMA superior mesenteric artery, SpA splenic artery