GALLSTONE (2954) This graphic model for patient education shows the anatomy of the biliary system and its surroundings in half natural size. Both acute inflammation (cholecystitis) and the tissue changes caused by chronic inflammation can be identified in the gall bladder wall. Gallstones can be found in the following typical locations :- In the fundus area of the gall bladder, In the area of the spiral valve, In the papillary opening to the small intestine. The model is mounted on a base. Qty :