Leucocytes in the faeces.
D003093:Colitis, Ulcerative / Q000175:diagnosis; D003967:Diarrhea / Q000175:diagnosis / Q000473:pathology*; D004756:Enterobacteriaceae Infections / Q000175:diagnosis; D005243:Feces / Q000166:cytology*; D006801:Humans; D007962:Leukocytes