Figure 4From: Mixed trichuroid infestation in a dog from ItalyEgg polar plugs of Trichuris vulpis (A), Capillaria aerophila (B) and Capillaria boehmi (C). Arrows indicate thickening at the base of the bipolar plug of T. vulpis, which are absent in C. aerophila and C. boehmi. Scale bars = 5 μm.Back to article page