Pinworms Mouth -Intestine Mouth Ovary -Genital pore Anus Intestine Testis E9g (55um Genital Spicules long) pore Anus Larva Male (2-5 mm long) Female (a)Adult pinworms (8-13 mm long) (b)Pinworm egg Figure 12.29Pinworms Figure 12.29