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Micro Protozoa
Dr. O Test 3 Chapter 12
| Question | Answer |
|---|---|
| Eukaryotic Cells | True nucleus, 80S ribosomes, variety of asex. and sex. reproduction, more complex structures, can be uni- or multicellular |
| Protozoa | Strictly unicellular, no cell wal, uses cilia, flagella, and/or pseudopodia |
| Distribution of Protozoa | Require moist environments, live in bodies of water, moist soil, beaches, and decaying matter |
| Morphology of Protozoa | Diverse, have micro and macronucleus, some have vacuoles, others produce cysts |
| Nutrition of Protozoa | Chemoheterotrophic |
| Leishmania species | Causes Leishmaniasis (cutaneous, mucocutaneous, and visceral) vector=sandfly (phlebotomus) visceral is most deadly -> causes Kala-Azar (Mastigophora-flagellated) |
| Giardia species (Giardia Lamblia) | Causes chronic diarrhea with fatty stool and abdominal pain, contracted by drinking contaminated mountain streams, resistant to chlorine (Mastigophora-flagellated) |
| Trichomonas vaginalis | Causes malodorous frothy, yellow-green discharge, men are asympomatic carriers, treated by metronidazole (leaves metallic taste in mouth) (Mastigophora-flagellated) |
| Trypanosoma brucei | (African Sleeping Sickness) causes coma via meningoencephalitis, vector=tsetse fly (Hemoflagellates-found in blood and lymph) |
| Trypanosoma cruzi | (Chagas disease or American Trypanosomiasis) causes fatal damage to heart, vector=Reduviidae or Kissing Bug, sucks blood from lips, eyelids, or ears (Hemoflagellates-found in blood and lymph) |
| Entamoeba histolytica | Causes amoebic dysentery via ingesting cysts (Sarcodina-pseudopod amoeboid) |
| Naegleria fowleri | Causes primary amebic meningoencephalitis via swimming in infected water or inhaling cysts |
| Plasmodium species causes... | Malaria (non-motile apicomplexa) |
| Plasmodium falciparum | Causes malignant tertian malaria = fever every other day or 36-48 hours and black urine |
| Plasmodium vivax | Causes benign tertian malaria = fever every other day (48 hours) |
| Plasmodium ovale | Causes ovale tertian = fever every other day (48 hours) |
| Plasmodium malariae | Causes quartan = fever every third day (72 hours) |
| Toxoplama gondii | Causes hepatitis, pneumonia, blindness, and severe neuro disorders, can cross placenta to cause spontaneous abortion, still birth, and/or mental retardation, host=cats (Apicomplexa-non-motile) |
| Cryptosporidium parvum | Causes profuse watery diarrhea, hosts=domestic animals (Apicomplexa-non-motile) |
| Balantidium coli | Causes ulcers in large intestine, host=pigs, (Ciliophora) |
| Microspora | Obligate intracellular pathogen, causes chronic diarrhea in immunocompromised ppl |
Created by:
reeseochoa
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