Keywords: Toxocara worm3 anterior.jpg Toxocara cati Close-up of the anterior end of Toxocara cati showing the three lips characteristic of ascarid worms http //www dpd cdc gov/dpdx/HTML/ImageLibrary/Toxocariasis_il htm CDC - DPD 4 3 2008 CDC - DPD PD-USGov Toxocara cati Nematoda heads |