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26 Cards in this Set
- Front
- Back
4 forms/stages of Hemoflagellates |
1. Amastigote or Leishmania 2. Promastigote or Leptomonas 3. Epimastigote or Crithidia 4. Trypomastigote or Trypanosoma |
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Form of hemoflagellate that is more or less ovoid in shape without a free flagellum. It is also adapted to intracellular existence in the vertebral host |
Amastigote or Leishmania |
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Form of hemoflagellate that is elongated, spindle-shaped, with pointed ends and a free flagellum that arises from the kinetoplast at the anterior end. |
Promastigote or Leptomonas |
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Form of hemoflagellate that is elongated and spindle-shaped, with the free flagellum continued from the anterior end backwards along the margin of an undulating membrane and ending at the kinetoplast which is situated anterior to the nucleus |
Epimastigote or Crithidia |
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Form of hemoflagellate that is morphologically similar to the epimastigotes except that the flagellum on the margin of the undulating membrane ends at the kinetoplast which is situated anterior to the nucleus |
Trypomastigote or Trypanosoma |
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Trypanosoma brucei exhibits only what 2 stages? |
1. Epimastigote
2. Trypomastigote |
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Disease caused by Trypanosoma brucei gambiense |
West african sleeping sickness |
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Geographical distribution of Trypanosoma brucei gambiense |
Central and West africa |
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Vector of Trypanosoma brucei gambiense |
Glossina spp. (Tse tse fly) |
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Disease caused by Trypanosoma brucei rhodesiense |
East African Sleeping sickness |
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Vector of Trypanosoma brucei rhodesiense |
Glossina spp. (Tse tse fly) |
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Disease caused by Trypanosoma cruzi |
Chagas disease American Trypanomiasis |
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Vector of Trypanosoma cruzi |
Triatoma or Reduvidae bugs = kissing/assassin bugs |
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Disease caused by Leishmania tropica |
Oriental sore or Old World Cutaneous Leishmaniasis (OWCL) |
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Vector of Leishmania tropica |
Phlebotomous spp. (sandfly) |
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Disease caused by Leishmania braziliensis |
1. Espundia or mucotaneous leishmaniasis (MCL) 2. Chiclero’s ulcer or New World Cutaneous leishmaniasis |
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Disease caused by Leishmania donovani |
Kala azar or visceral leishmaniasis |
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Vector of Leishmania donovani |
Phlebotomous spp. (Sandfly) |
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In Leishmania spp., what hemoflagellate forms are present? |
1. Amastigote 2. Promastigote |
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In T. cruzi, what hemoflagellate forms are present? |
All forms |
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For T. brucei, what is its transitional form in invertebrates? |
Epimastigote |
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For T. brucei, what is its form in the blood of the mammalian host? |
Trypomastigote |
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For T. cruzi, what is its form in the invertebrate host? |
Epimastigote |
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For T. cruzi, what is its form in the mammalian host? |
Amastigote |
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Motility of Trypanosome |
wavy spiral motion |
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Infective stage of Trypanosomes |
Metacyclic trypomastigotes |