title: Ultrastructure of the ileum in Crohn's disease. Immune lesions and mastocytosis.
mesh_terms: D000328:Adult; D003424:Crohn Disease / Q000276:immunology / Q000473:pathology*; D005260:Female; D006099:Granuloma / Q000473:pathology; D006801:Humans; D007082:Ileum / Q000276:immunology; D007111:Immunity, Cellular; D007249:Inflammation / Q000473:pathology; D007413:Intestinal Mucosa / Q000473:pathology; D008198:Lymph Nodes / Q000473:pathology; D008214:Lymphocytes; D008297:Male; D008407:Mast Cells; D008854:Microscopy, Electron; D012270:Ribosomes