Ascaridida Infections

This illustration depicts the life cycle of A. simplex and P. decipiens, the causal agents of Anisakiasis. This illustration depicts the life cycle of Baylisascaris procyonis, the causal agent of Baylisascariasis. This diagram depicts the various stages in the life cycle of the intestinal roundworm nematode Ascaris lumbricoides. This micrograph reveals both fertilized (A) and unfertilized (B) Ascaris eggs, and a Trichuris egg (C); Mag. 125X.