Section four study on composite graft of acellular dermal matrix with auto - split - thickness skin . 10 sd rats were used in the experiments . in experimental group , the acellular dermal matrix were transplanted to sd rat ' s full thickness skin defect wounds of dorsothoracic and it ' s surface is covered with irradiation pigskin Scm2 ) ,將無(wú)細(xì)胞真皮基質(zhì)移植其上,外用輻照豬皮覆蓋保護(hù),使其血管化后在其上移植自體斷層皮片,為實(shí)驗(yàn)組:在大鼠背部下方造成全厚皮膚缺損的創(chuàng)面門