Fig. 9
From: Study of transpedicular screw fixation on spine development in a piglet model

H&E staining shows nucleus and annulus in group A and group D 3 months post-surgery. a A representative image of nucleus from group D. b A representative image of nucleus from group A. c Enlarged image of boxed area in upper panel. d Enlarged image of boxed area in upper panel. e A representative image of annulus from group D. f A representative image of annulus from group A. g Enlarged image of boxed area in upper panel. h Enlarged image of boxed area in upper panel. Numbers in the left-lower corner indicate the image’s magnification