Animal model of abdominal adhesion. Arrow in (A) shows the caecum of normal animals. (B) Shows that the caecum is scratched with dry gauze at 2 cm × 2 cm, which is treated as the sham group. While the arrow in (C) shows that, the scratched caecum is covered with penicillamine-bound membrane.
Zhang et al. BMC Surgery 2011 11:5 doi:10.1186/1471-2482-11-5