Fig. 2From: Tegumental alterations and resistance of Fasciola gigantica adult worms exposed to flukicides in EgyptSEM of nitroxynil-treated Fasciola gigantica adult worm. a Anterior tegument surface. b, c Middle and tail tegument surface showing severe furrowing, and severe destruction in the spines. d, e The thickness of cuticle 302–484 µm. e, f Ventral sucker 355–462Back to article page