Fig. 4From: Minimal invasive annulotomy for induction of disc degeneration and implantation of poly (lactic-co-glycolic acid) (PLGA) plugs for annular repair in a rabbit modelGross morphology of the injured discs from the sagittal plane view at 6 months post-surgery. The 16G puncture group (a); the annulus trephination group (b); the PLGA implantation group (c). The white circle with a dashed line indicates the injury siteBack to article page