Morphology

• What is the size range of trophozoites of Entamoeba gingivalis?

   8 to 20 µm
• What is a characteristic feature of E. gingivalis trophozoites?

  Active motility
• How is the nucleus of E. gingivalis trophozoites structured?

  Central karyosome surrounded by peripheral chromatin
• What can be visible in the cytoplasm of E. gingivalis trophozoites?

  Achromatic granules arranged in strands
• Which of the following is NOT found in the cytoplasm of E. gingivalis trophozoites?a)Phagocytosed white blood cellsb) Epithelial cellsc) Bacteriad) Contractile vacuoles

  Contractile vacuoles
• How does the ingestion of white blood cells help differentiate E. gingivalis from E. histolytica?

  E. gingivalis does not ingest white blood cells.
• Which stage of Entamoeba gingivalis is not known to exist?

  Cyst stage
• What is the size range of E. gingivalis trophozoites?

   8 to 20 µm
• What distinguishes E. gingivalis from E. histolytica in terms of white blood cell ingestion?

   E. gingivalis ingests white blood cells, while E. histolytica does not.
• Which of the following is NOT a characteristic feature of E. gingivalis trophozoites?a)Presence of multiple pseudopodsb) Central karyosome in the nucleusc) Formation of cysts

  d)Active motility

  Formation of cysts