Parasitology SlidesBIOLOGY 260 LabDr. B.M. Salameh

Photo credits: CDC- DPDx

Amoebae (Sarcodina)

Flagellates

Ciliates, Sporozoa, others

Entamoeba histolytica

Trophozoite with RBCs inside

Giardia lamblia (intestinalis)

Cyst

Trophozoite

Trichomonas vaginalisTrophozoite

Cryptosporidium parvum

Oocysts

Plasmodium vivax (Malaria)

Toxoplasma gondii

From cat

From HIV patient

Trypanosoma cruziChagas’ Disease

Triatoma infestans“kissing” or “assassin” Bug

Helminth Eggs (Comparative sizes)

Trematode (Flatworm) Eggs

Nematode and Cestode Eggs

Proglottids and Scoleces

Ascaris lumbricoides (Roundworm)

Ascaris egg

Ascaris adult

Enterobius vermicularis (pinworm = itchy butt)

Eggs

Necator americanus(Hookworm)

Larvae

Egg

Schistosoma japonicum(Blood fluke)

Egg

Paragonimus westermani(Oriental lung fluke)

Egg

Taenia solium(Pork tapeworm)

Proglottid

Scolex

Egg

Diphyllobothrium latum(Broad fish tapeworm)

Proglottids

Egg

Echinococcus granulosus(Hydatid tapeworm)

Hydatid sand

Adult worm

Hydatid cyst in liver

Triatoma infestans(Assassin or Kissing bug)

Adult T. cruzi