Parasitology//Blood parasites
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54 terms
Terms | Definitions |
|---|---|
 Parasitology | The study of the dependence of animals upon another beingcalled a host--usually at the expense of the host |
| Definitive host | where adult parasites resideknown as the sexual stage |
| intermediate host | where larvae is present the a sexual stage |
| obligate parasite | Aparasite that is enable to live free living...it has to have a host. |
| facultative parasite | capable of a free living exsistance |
| Commensal | parasite that doesnt cause patholgoy of disease |
| Carrier | Host that has a parasite and can transmit to others but they are not ill |
| Protozoa | one celled organisms |
| Nematodes | Round worms |
| Cestodes | Tapeworms |
| trematodes | Flukes |
| PVA | To make permanet smearscontains mercury |
| Trophozoite | Feeding and motile stage |
| Cyst | infective stage, protective stageand when reprodution occurs |
| Sacodina | Amoeba moved bypsuedopods |
| Mastigophora | moved by flagella |
| Cilophora | moved by cilia |
| Microspora | Minute/ resides withina cell |
| Apicomplexa | Alternate between asexual and sexuallife cycles |
| Anopheles mosquito | Malaria transmitted by |
| Malaria | this causes hemolysis of RBC's. RBC's release toxic wastewhich causes immunologic response |
| Schizont | cell that containes merozoites...cell burst and merozoites invade other rbcs |
| sexual reproduction | what only happens in the anopheles gut |
| Sporozoite | what is transmitted through the bite of the mosquito that begins infective stage |
| cryptozoite | Sporozoites go to the liver parenchymal cells and become |
| merozoites | Cryptozoites mature and burst into_______ in the blood stream |
| Erythrotic stage | merozoites begin what stage |
| Trophozoite (ring stage) | Stage in bloodstream where organism actively feeds on hgb of rbcs |
| Schizogamy | malarial processs of asexual reproduction |
| Gametocytes | precursor to sexual reproduction |
| tertiary malaria | 48 hr cycle |
| Quartian malaria | 72 hr malaria |
| Vivax and ovale | 2 tertiary malaria |
| Malariae | symptoms ocur every 72 hrs Quartian malaria |
| hypnozoites | Dormant stage in liver that can causerelapse over time |
| Babesia | primary parasite in cattle |
| ixodes tick | transmission of Babesia |
| maltose cross | what formation can u see within rbc affected with babesia |
| Toxoplasma gondii | Cresent shaped protozoa that predilection for brain tissue and can cross the placenta transmitted thru pet feces |
| Trypanozome | causes african sleeping sickness |
| tse tse fly | transmission of trypanosomes |
| Chagas Disease | Trypanozoma Cruzi |
| kissing bug | Trypanozoma Cruzi transmission |
| Sand Fly | Leishmania Transmission |
| riverblindness | microfalaria nematode Onchocercus vovus causes |
| Black fly | Onchocercus vovus transsmission |
| Onchocercus vovus | unsheaved nuclei dnt extend to tip of tail |
| elephantiasis | Wucheria bancrofti causes |
| New Guinea eye worm | Loa Loa is |
| Loa Loa | sheaved nuclei that extend to tip of tail and has fly vector |
| Wucheria bancrofti | sheaved and nuclei dnt extend to tip of tail...mosquito vector |
| P. faliciparum | species of plasmodium thats most severe |
| P. ovale | Species of malaria confined to Africa |
| Chloroquine | treatment for most plasmodium |
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