Fig. 1.
Macroscopic appearance of the murine caecal patches (the murine equivalent of the human appendix). (a) Normal murine caecal patch (circled); (b) pale, oedematous appendiceal pouch formation with ligation band in-situ; (c) appendicitis with surrounding adhesions; (d) sham-operated mouse with a ‘normal’-appearing caecal patch; (e) antibiotic-treated mouse with minimal surrounding adhesions.