Parasitological Diseases of the Human Systems

1. Parasitological Diseases of the Human Systems Bio 225—Tri-County Tec. College Pendleton, S. C.

2. Scabies Sarcoptes scabei school age child—2nd grade patient’s hand with scabies

3. Pediculosis “nit” sketch female adult adult male

4. Acanthamoeba spp. Acanthamoeba spp. from corneal scraping.

5. African Sleeping Sickness Trypanosoma brucei rhodesiense in blood smear

6. Protozoan meningoencephalitis Naegleria fowleri from culture N. fowleri from a spinal fluid.

7. American Trypanosomiasis Trypanosoma cruzi from a blood smear bite of vector showing defecation at the same time

8. Toxoplasmosis T. gondii in brain tissue Toxoplasma gondii tachyzoites T. gondii oocyst from cat feces

9. Malaria P. falciparum gametocyte Signet ring form of Plasmodium falciparum inside RBC P. falciparum in RBC after splitting into merozoites

10. Leishmaniasis cutaneous Leishmaniasis L. donovani Female sandfly, Phlebotimus spp. L. tropica[cut. leishmaniasis Leishmania tropica amastigotes in a macrophage

11. Babesiosis Babesia in red blood cells

12. Schistosomiasis Schistosoma mansonii ova Schistosoma mansonii adult trematodes ova of Schistosoma haematobium Schistsoma japonicum egg

13. Schistomiasis, ctd. Puerto Rican young male with schistosomiasis causing swollen abdomen Swimmer’s Itch

14. Giardiasis Giardia lamblia trophozoite from the small intestine of a patient Giardia lamblia cyst in feces stained with iodine

15. Cryptosporidiosis Cryptosporidium parvum oocysts in patient’s stool

16. Cylcospora diarrheal disease Cylclospora spp oocysts from human stool fixed in formalin

17. Amebic dysentery RBC Entamoeba hystolytica cyst, permanent stain of stool Entamoeba hystolitica trophozoite, permanent stain of stool amebic liver abscess

18. Intestinal Tapeworms [a] Taenia saginata, beef tapeworm complete worm complete worm showing scolex and bottom just above the number “9” and gravid proglottids on the top row

19. Intestinal Tapeworms [b] [left] head or scolex of Taenia saginata [right] head of scolex of Taenia solium

20. Intestinal tapeworms [c] [left] gravid proglottid of Taenia saginata [right] gradiv proglottid of Taenia solium

21. Intestinal typeworms [d] Taenia ova. On a practical basis there are few differences between the ova of the two worms that cause tapeworm disease.

22. Hydatid disease drainage from a hydatid cyst; these are larval stages of the parasite and they give the drainage a “gritty” or “sandy” appearance [hydatid sand] hydatid cysts from a human lung

23. Pinworm disease ova of Enterobius vermicularis on a piece of Scotch tape from the perianal area

24. Hookworm disease - A filariform larvae of N. americanus, the form that penetrates the skin between the toes to start the life cycle in humans head of Necator americanus

25. Hookworm disease - B hookworm ova in stool specimens

26. Ascariasis Ascaris ova in feces A A Ascaris lumbricoides adult worm B

27. Trichinosis Trichinella larvae in muscle tissue

28. Trichomoniasis Stained trophozoites of Trichomonas vaginalis

29. The End!!