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Light microscopy of urethra in control rats 10 days after a vaginal distension (A) and in diabetic rats 10 days after a vaginal distension (B). Movat pentachrome; *, collagen deposition in yellow in A and increased deposition of collagen around the smooth muscle fibers in B; L, urethral lumen; Sm, smooth muscle; St, skeletal/striated muscle. Scale bar = 100 μm.
