Keyhan Ashrafi, Ali Tahbaz, Meysam Sharifdini, and Santiago Mas-Coma
Figure. Trichostrongylus spp. eggs and nematodes isolated from 1 patient in Guilan Province, Iran, 2014. A) Egg of diameter 87.5 × 48.0 μm obtained from fecal sample of patient by using formalin-ether method. Scale bar indicates 50 μm. B) Bursa copulatrix and spicules (slightly unequal, 135–156 µm long, and boat-shaped with a stepped tip and an outgrowth capping at proximal end) of T. colubriformis adult male. Scale bar indicates 100 μm. C) Bursa copulatrix and spicules (equal in size, 160–170 µm long, and straight and tapering sharply at distal end) of T. vitrinus adult male. Scale bar indicates 100 μm.