Keywords: ورود به سیستم مکانیکی; SBS, short bowel syndrome; bFGF, basic fibroblast growth factor; PCL, polycaprolactone; PLGA, poly(D,L-lactic-co-glycolic acid); vWF, von Willebrand factorShort bowel syndrome; Mechanical enterogenesis; Basic fibroblast growth factor; PLGA microspheres