The ultrastructure of the colon on Crohn's disease.
D003106:Colon / Q000473:pathology*; D003424:Crohn Disease / Q000473:pathology*; D004848:Epithelium / Q000473:pathology; D006099:Granuloma / Q000473:pathology; D006801:Humans; D008214:Lymphocytes; D008854:Microscopy, Electron