Amoeba Identification Lab
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40 Terms
what does this image show?
Entamoeba histolytica in trophozoite stage
what is the SIZE of Entamoeba histolytica in trophozoite stage?
18-25 μm
what is the SIZE of Entamoeba coli in trophozoite stage?
15-50 μm
what is the SIZE of Endolimax nana in trophozoite stage?
6-15 μm
what is the SIZE of Iodamoeba butschlii in trophozoite stage?
4-20 μm
what is the CYTOPLASM of Entamoeba histolytica in trophozoite stage?
finely granular, non-vacuolated, ingested RBCs
what is the CYTOPLASM of Entamoeba coli in trophozoite stage?
coarsely granular, vacuolated, bacteria, yeast-ingested
what is the CYTOPLASM of Endolimax nana in trophozoite stage?
clear and finely granular, bacterial inclusions
what is the CYTOPLASM of Iodamoeba butschlii in trophozoite stage?
finely granular, bacterial inclusions
what is the NUCLEUS of Entamoeba histolytica in trophozoite stage?
central endosome
what is the NUCLEUS of Entamoeba coli in trophozoite stage?
eccentric endosome
what is the NUCLEUS of Endolimax nana in trophozoite stage?
deeply stained endosome
what is the NUCLEUS of Iodamoeba butschlii in trophozoite stage?
deeply stained endosome
what does this image show?
Entamoeba histolytica in cyst stage
what is the SHAPE and SIZE of Entamoeba histolytica in cyst stage?
roundish, 10-20 μm
what is the SHAPE and SIZE of Entamoeba coli in cyst stage?
roundish, 10-33 μm
what is the SHAPE and SIZE of Endolimax nana in cyst stage?
ovoid, 5-14 μm
what is the SHAPE and SIZE of Iodamoeba butschlii in cyst stage?
irregular, 6-15 μm
what is the NUMBER of NUCLEI of Entamoeba histolytica in cyst stage?
4 (uninucleate cysts)
what is the NUMBER of NUCLEI of Entamoeba coli in cyst stage?
8 (immature → 5/6 but more than E. histolytica)
what is the NUMBER of NUCLEI of Endolimax nana in cyst stage?
4
what is the NUMBER of NUCLEI of Iodamoeba butschlii in cyst stage?
1
what is the STRUCTURE of NUCLEI of Entamoeba histolytica in cyst stage?
same as in trophozoites (central endosome)
what is the STRUCTURE of NUCLEI of Entamoeba coli in cyst stage?
same as in trophozoites (eccentric endosome)
what is the STRUCTURE of NUCLEI of Endolimax nana in cyst stage?
same as in trophozoites (deeply stained endosome)
what is the STRUCTURE of NUCLEI of Iodamoeba butschlii in cyst stage?
same as in trophozoites (deeply stained endosome)
are there chromatoidal bodies PRESENT in Entamoeba histolytica in cyst stage?
yes
are there chromatoidal bodies PRESENT in Entamoeba coli in cyst stage?
yes
are there chromatoidal bodies PRESENT in Endolimax nana in cyst stage?
no
are there chromatoidal bodies PRESENT in Iodamoeba butschlii in cyst stage?
no
are there glycogen mass (in iodine) PRESENT in Entamoeba histolytica in cyst stage?
diffuse in young cysts
are there glycogen mass (in iodine) PRESENT in Entamoeba coli in cyst stage?
large in young cysts
are there glycogen mass (in iodine) PRESENT in Endolimax nana in cyst stage?
sometimes present in young cysts
are there glycogen mass (in iodine) PRESENT in Iodamoeba butschlii in cyst stage?
often large and sharply delimited
what does this image show?
Entamoeba coli in trophozoite stage
what does this image show?
Entamoeba histolytica in cyst stage
what does this image show?
Endolimax nana in trophozoite stage
what does this image show?
Endolimax nana in cyst stage
what does this image show?
Iodamoeba butschlii in trophozoite stage
what does this image show?
Iodamoeba butschlii in cyst stage