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Fig. 3 | BMC Musculoskeletal Disorders

Fig. 3

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

Fig. 3

Degeneration of the nucleus pulposus (NP) and annulus fibrosus (AF) tissue cells was found in AL group. a HE and Masson and Safarnin O and fast green staining showed severe damage of the NP of L2–3 intervertebral disc at 4, 8 and 12 weeks after lesion, NP tissue was replaced by hyperplastic connective tissue. b AF was rupture and disorder in annular lesion group compared with sham group

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