Fig. 1From: Autochthonous, zoonotic Onchocerca lupi in a South Texas dog, United StatesHistological section of the dog’s ocular tissue evidencing an Onchocerca lupi specimen. This gravid female specimen was embedded in the episclera of a dog from South Texas. The cuticular pattern of two inner striae (dashed arrows) within the space between two outer cuticular ridges (solid arrows) aided in the species-level identification. (H&E, 40×, bar = 50 µm)Back to article page