Fig. 1From: Standardized Pre-clinical Surgical Animal Model Protocol to Investigate the Cellular and Molecular Mechanisms of Ischemic Flap HealingExample of surgical flap classification based on the method of tissue transfer onto the soft tissue defect (wound). Principles of creating the microvascular free flap (A), single-pedicled transposition flap (B) or single-pedicled advancement flap (C) during reconstructive surgery. Diagonal lines represent running suturesBack to article page