Clonorchis sinensis egg
Dipylidium caninum (scolex)
Taenia saginata (scolex)
Common Name: Beef tapeworm
Characteristics: Has four large suckers but lacks hooks
Pathogenic: YES: Infection is a result of eating undercooked meat
Taenia saginata (proglottid)
Gravid Proglottid has a uterus with more that 15 lateral branches
Taenia solium (scolex)
Common Name: Pork tapeworm
Characteristics: Has four large suckers and two rows of hooks
Pathogenic: YES: Infection is a result of eating undercooked pork
More pathogenic than beef tapeworm
Taenia solium (proglottid)
Gravid Proglottid has a uterus with less than 13 lateral branches
Taenia Egg
Characteristics: Eggs are identical in beef and pork tapeworm
Have thick, dark radially striated shell
Enterobius vermicularis (adult)
Common Name: Pinworm
Symptoms: Itchy butt
Characteristics: Readily identified by the characteristic dorsoventral cephalic inflation of the cuticle
Pathogenic: YES
Enterobius vermicularis egg
Characteristics: One side is flattened