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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: Increased lactic acid content associated with extracellular matrix depletion in a porcine disc degeneration induced by superficial annular lesion

Fig. 2

Severe change of the nucleus pulposus (NP) and annulus fibrosus (AF) tissue was found in AL group. a Transverse sections through a L1–2 intervertebral disc of sham and AL group 4/8/12 weeks after surgery, showed the obvious degeneration of the NP and AF. b HE staining showed the gradually fibrosis of nucleus pulposus in disc of AL group

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