Parasite and Nucleus

• Giardia intestinalis CYST

  = 2 Mature cyst

  = 4 central karyosome

  = NO Peripheral Chromatin

  Giardia intestinalis TROPHOZOITE

  = 2

  = Ovoid-shaped

  = Large karyosome

  = NO Peripheral Chromatin
• Trichomonas vaginalis TROPHOZOITE

  = 1 (ONE)
• Retortamonas intestinalis CYST

  = 1

  = Location Anterior central region

  = Central Karyosome

  = May be surrounded by a delicate ring of chromatin

  Retortamonas intestinalis TROPHOZOITE

  = 1

  = Small central karyosome

  = With ring of chromatin granules on nuclear membrane
• Enteromonas hominis CYST

  = Binucleated and Quadrinucleated

  = Located on opposite ends

  = Central karyosome

  = NO Peripheral Chromatin

  Enteromonas hominis TROPHOZOITE

  = 1

  = Central Karyosome

  = NO Peripheral Chromatin
• Chilomastix mesnili CYST

  = 1

  = Large central karyosome

  = NO Peripheral Chromatin

  Chilomastix mesnili TROPHOZOITE

  = 1

  = Small Central or Eccentric Karyosome

  = NO Peripheral Chromatin
• Dientamoba fragilis TROPHOZOITE

  = 2

  = Clumps of 4-8 Chromatin Granules

  = NO Peripheral Chromatin

  = Rosette-shape
• Pentatrichomonas hominis TROPHOZOITE

  = 1

  = Small Central Karyosome

  = NO Peripheral Chromatin
• Trichomonas tenax TROPHOZOITE

  = 1

  = Ovoid nucleus

  = Vesicular Chromatin Granules
• Balantidium coli CYST

  = 2

  = Kidney-shaped Macronucleus

  = Small spherical Micronucleus

  Balantidium coli TROPHOZOITE

  = 2

  = Kidney-shaped Macronucleus

  = Small spherical Micronucleus