Fig. 3

Microphotographs of the IHH-positive gallbladder structures in the patient and control materials. (a) Patient sample with a moderate (++) number of IHH-positive cells in the epithelium and blood vessels, few (+) in connective tissue, and occasional (+w) positive cells in smooth myocytes. IHH IMH, ×200. (b) Control sample with abundant (++++) IHH-positive cells in the epithelium and blood vessels, numerous (+++) cells in connective tissue, and weakly stained numerous (+++w) cells in smooth myocytes. IHH IMH, ×200