Amoeba Chart

Topics: Vacuole, Cell, Cytoplasm Pages: 6 (726 words) Published: September 30, 2012
| |E. gingivalis |E. coli |E. nana |I. buetschlii |E histolytica | |Other names |A. gingivalis, A. / E. |A. coli, Endamoeba homini, |Entamoeba nana, E. |Iodine Cyst of Wenyon, |A. coli / dysenteriae, | | |buccalis |Loschia coli, Councilmania |intestinalis |Entamoeba williamsi/ |Entamoeba dysenteriae / | | | |lafleuri | |buetshclii, Endolimax |dispar / tetragena, | | | | | |williamsi |Endamoeba histolytica / | | | | | | |dysenteriae | |Geographical |cosmopolitan |worldwide, pop. w/ warm |- cosmo, prevalent |Worldwide |Worldwide, high in tropics &| |Distribution | |climates; if in cold ( |infection as E.coli |Less common infection than |subtropics | | | |unsanitary disposal of human |- warm, moist climates |nana & coli | | | | |waste (primitive hygiene) |- low hygiene standard | | | |Troph |-5-35µ (ave. 10-20) |(NSS) |- 16-15µ |-6-25µ (small-medium) |- invasive, growing, feeding| |Diameter |-nearly spherical |20-30µ | |-in living & stained |- 10-60µ (living) | |Nucleus |-well-defined, small, near |- not easily visualized | |-unstained: surrounded by |- NSS: center of endop | |Karyosome |center | | |periendosomal granule (fine | | | | | | |fibrils connect it to NM) | | | |-Multiple pseudopodia (Long | | | | | |Pseudopod/ |& lobose OR Short & blunt) |- Sluggish movement, rarely |-short, blunt, hyaline | |- active troph – progressive| |Movement | |progressive w/ broad, short |(sluggish) |-Blunt, hyaline pseudo; |directional movement (long, | | | |pseudopodia | |fairly active, progressive in|fingerlike pseudopodia) ( | | | | | |fresh stools, older ( |direction changes in | | | | | |sluggish |response to conditions of | | |-Demarcation bet. clear | | | |microclimate | | |ectoplasm & granular endo | | | | | |Cytoplasm |­Endop – food vacuole, |- colorless, viscous (no |- granular, vacuolated w/ |-clear ectop (not well...
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