Fig. 4

Surgical establishment of cecal abrasion model. (A) Strict aseptic preparation, (B) celiotomy, (C) cecal exteriorization (yellow asterisk), (D) induction of cecal abrasion (yellow asterisk), (E) local application of tadalafil powder on the abraded cecum, (F) application of a cellulose sheet (red arrow), (G) application of a tadalafil/cellulose sheet (dark blue arrow), and (H) abdominal wall suturing.