Crohn DiseaseDuodenoscopyIntestine, SmallIntestinesIntestine, LargeNod2 Signaling Adaptor ProteinInflammatory Bowel DiseasesIntestinal MucosaColitis, UlcerativeIleumColonSpecialties, NursingPaneth CellsJejunumEnterostomyIntestinal AbsorptionReceptor-Interacting Protein Serine-Threonine Kinase 2Acetylmuramyl-Alanyl-IsoglutamineColon, TransverseHistiocytosis, SinusDuodenumGenetic Predisposition to DiseaseColitisAnti-Inflammatory AgentsCarrier ProteinsColonoscopyIntestinal NeoplasmsGranulomaMicrovilliAutophagyInflammationEnterocytesIntestinal DiseasesCase-Control StudiesDigestive SystemPolymorphism, Single NucleotideCecum