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  Indian J Med Microbiol
 

Figure 5: Picrosirius red-stained healthy gingival tissue section (Group A) in × 40 magnification showing collagen fibers with strong birefringence arranged in the parallel fascicular pattern. (a) Thick collagen fibers with yellowish–red birefringence, (b) thick fibers with yellowish-green birefringence

Figure 5: Picrosirius red-stained healthy gingival tissue section (Group A) in × 40 magnification showing collagen fibers with strong birefringence arranged in the parallel fascicular pattern. (a) Thick collagen fibers with yellowish–red birefringence, (b) thick fibers with yellowish-green birefringence