parasitology- intestinal amoebae
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Created by:
lannamekianov on October 26, 2011
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21 terms
Terms | Definitions |
|---|---|
 amebae subphylum | sarcodina |
| amebae phylum | sarcomastigophora |
| all amebae except one exist in 2 forms. what are they | trophozoite and cyst |
| what is a trophozoite | a motile, actively feeding multiplying form, susceptible to destruction outside the host |
| most cysts are considered what? | multinucleate |
| all intestinal amebae have what | karyosomes |
| what are karyosomes | clumps of chromatin material found within the nuclei |
| the size configuration and location of karyosomes are distinctive for each ameba and are helpful in what | identification |
| the only truly significant pathogen among the amebae is what | entamoeba histolytica |
| what disease is caused by entamoeba histolytica | amebic dysentary -diarrhea with blood and mucous |
| definition of commensal | not known to cause human disease |
| which amebae is not a commensal | blastocystis hominis |
| what is diagnostic for entamoeba histolytica | RBCs |
| how many nuclei do immature cysts contain? | less than 4 |
| what condition is only related to entaboeba histolytica | extra intestinal infection |
| what is the shape of the ulcer formed from histolytica entomoeba | flask shape |
| should a patient get treated for entomoeba histolytica even if they don't have symptoms? | YES! |
| two classes of amebicidal agents for amebiasis | luminal amebicides tissue amebicides |
| how can you tell if an amoeba is entamoeba hartmanni or entomoeba histolytica? | no RBC's present in hartmanni |
| describe entamoeba coli | single nucleus unevenly distributed chromatin in clumps |
| what insects are known to carry entamoeba coli | flies cockroaches |
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