Fig. 1 in Oxyspirura petrowi infection leads to pathological consequences in Northern bobwhite (Colinus virginianus)

Fig. 1. Histological section of a Northern bobwhite (Colinus virginianus) Harderian gland with intraluminal Oxyspirura petrowi parasites in transverse section (indicated by arrows) and marked heterophilic Harderian adenitis. Hematoxylin and eosin staining at 100×, scale = 100 Mm * = marked lymphocyte and heterophilic inflammatory cell infiltrate; C = cuticle; HD = hypodermis; SM = somatic musculature; LC = lateral cords; PC = pseudocoelom; A = alimentary tract; U = uterus containing embryonated eggs.