Ampulla of VaterCommon Bile Duct NeoplasmsFallopian TubesPancreaticoduodenectomyBiliary Tract NeoplasmsSperm TransportAmyotrophic Lateral SclerosisDuodenal NeoplasmsOvum TransportDuodenoscopyHair Cells, AmpullaSemicircular CanalsJaundiceEndolymphCarcinoma, Signet Ring CellCholangiopancreatography, Endoscopic RetrogradeLateral Line SystemBile Duct NeoplasmsOviductsCommon Bile Duct DiseasesSomatostatinomaCarcinoid TumorGallstonesKrukenberg TumorDuodenoscopesDuodenumPhotomicrographyAdenocarcinomaDuodenal DiseasesCommon Bile DuctHypothalamic Area, LateralMixed Tumor, MalignantLateral VentriclesPancreatic DuctsCarcinoma, NeuroendocrineBiliary Tract Surgical ProceduresSpermatozoaKeratin-7Neoplasms, Multiple PrimaryOvulationSense OrgansTakotsubo CardiomyopathyEstrusGallbladder NeoplasmsImmunohistochemistryShrewsEar, InnerSharksCarcinoma, Large Cell