Fig. 7 | Scientific Reports

Fig. 7

From: Establishing an intervertebral disc degeneration model in bipedal rats via a modified feeding approach

Fig. 7

Typical axial views of the macroscopic appearance of the discs (L4/5) in each group. The black arrows point at the clear boundary between the normal NP and AF in the control group, whereas the red arrow indicates the mildly blurred boundary of the NP and AF in the traditional model group. The yellow arrow points to the fibrotic NP in the modified model group. AF, annulus fibrosus; NP, nucleus pulposus.

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