Fig. 1
From: Study of the effects and mechanism of allogeneic platelet-rich plasma gel on layered skin flaps
Schematic diagram of the fabrication of the layered skin flap on the backs. The yellow arrow indicates the perforator vessel of the thoracodorsal artery; the red arrow points to the perforator vessel of the intercostal artery; the green arrow highlights the perforator vessel of the iliolumbar artery; the blue arrow indicates the parietal branch of the external carotid artery. and the yellow circle marks the choke area.
