Fig. 3From: Life-cycle of Oxyspirura petrowi (Spirurida: Thelaziidae), an eyeworm of the northern bobwhite quail (Colinus virginianus)External view of encysted second-stage Oxyspirura petrowi larva. a Exterior view of the encysted larva. b Well-defined esophagus (i) and intestines (ii) of larva within the cystBack to article page