Intestinal spirochaetosis.
D000328:Adult; D000368:Aged; D001064:Appendicitis / Q000209:etiology; D001706:Biopsy; D005260:Female; D006801:Humans; D007410:Intestinal Diseases / Q000175:diagnosis / Q000209:etiology*; D007420:Intestine, Large / Q000382:microbiology / Q000473:pathology; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D012007:Rectum / Q000473:pathology; D013142:Spirochaeta / Q000302:isolation & purification / Q000472:pathogenicity*