Fig. 4From: MG-63 osteoblast-like cell proliferation on auxetic PLGA scaffold with mechanical stimulation for bone tissue regenerationCross-sectional SEM images of PLGA scaffold. a control specimen before compression. b experimental specimen after tri-axial compression (2.4 : 1), (c) experimental specimen after tri-axial compression (3.1 : 1). The arrows indicate difference of pore structureBack to article page