12 Questions
Why is it important to differentiate commensal amoeba from pathogenic E.histolytica?
To avoid unnecessary treatment of patients
What is a distinguishing nuclear feature of the cysts of genus Entamoeba?
A small karyosome located near the nucleus periphery
Which amoebae genus has a vesicular nucleus with an irregularly shaped karyosome?
Endolimax
How do commensal amoebae reproduce?
By binary fission of trophozoites
Where does encystation occur in amebae according to the text?
In the lower colon
How does E.dispar differ from E.histolytica?
Their DNA and ribosomal RNA are different
Which human amoeba is known for being osmotolerant and able to grow at room temperature?
Entamoeba hartmanni
How does the size of Entamoeba hartmanni compare to that of Entamoeba histolytica?
Entamoeba hartmanni is smaller
What differentiates Entamoeba coli from Entamoeba histolytica in terms of motility?
E.coli has unidirectional motility
How can E.coli be differentiated from E.histolytica based on the endoplasm characteristics?
Granular endoplasm with bacteria but no red blood cells
In what way does the cyst of Entamoeba polecki differ from that of Entamoeba histolytica?
Larger size and fewer nuclei
Where can Entamoeba gingivalis be primarily found in the human body?
Mouth
Learn about the significance of commensal amoeba in stools, potential misidentification with pathogenic E.histolytica, and the indication of fecal contamination in food and water. Differentiating between commensal amoeba and pathogenic E.histolytica is crucial to avoid unnecessary treatment.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
