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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: Surgical removal and controlled trypsinization of the outer annulus fibrosus improves the bioactivity of the nucleus pulposus in a disc bioreactor culture

Fig. 2

Exposure of the nucleus pulposus (NP) after methylene blue incubation. Arrows (white and red) indicate that methylene blue diffused into and stained the NP tissue and indicate a higher concentration of methylene blue within the central NP in the EG. The histogram shows the quantified results of the staining intensity in the CG and EG. CG: control group; EG: experimental group. Data are expressed as the mean ± SD (n = 3). *: p < 0.05 vs. the CG

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