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DTMH - Parasitology & Entomology Slides > Non-pathogenic gut protozoa > Flashcards

Non-pathogenic gut protozoa Flashcards

1
Q
  1. Name this parasite (size: 21 um)
  2. What is the life cycle stage
  3. State your reasons
  4. Name one drug used for treatment of infection with this parasite
A
  1. Chilomastix mesnili
  2. Trophozoite
  3. Features:
    * Pear-shaped trophozoite within the size range (6-24 um) for Chilomastix mesnili
    * Rounded anterior end with a single nucleus and eccentric karyosome
    * Posterior end tapers to a point
  4. C. mesnili is non-pathogenic
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2
Q
  1. Name this parasite (size: 8 um)
  2. What is the life cycle stage
  3. State your reasons
  4. Name one drug used for treatment of infection with this parasite
A
  1. Endolimax nana
  2. Cyst
  3. Features:
    * Cyst within size range (5-10 um) of E. nana
    * Up to 4 small nuclei with central karyosome and no peripheral chromatin
  4. Endolimax nana are non-pathogenic
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3
Q
  1. Name this parasite (size: 7 um)
  2. What is the life cycle stage
  3. State your reasons
  4. Name one drug used for treatment of infection with this parasite
A
  1. Endolimax nana
  2. Cyst
  3. Features:
    * Cyst within size range (5-10 um) of E. nana
    * Up to 4 small nuclei with central karyosome and no peripheral chromatin
  4. Endolimax nana are non-pathogenic
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4
Q
  1. Name this parasite (size: 17 um)
  2. What is the life cycle stage
  3. State your reasons
  4. Name one drug used for treatment of infection with this parasite
A
  1. Entamoeba polecki
  2. Trophozoite
  3. Features:
    * Size: within size range (10-25 um) of E. polecki trophozoites
    * Distorted and irregularly shaped single nucleus
    * Small-to-minute centrally located karyosome
    * Delicate and uniform peripheral chromatin
  4. E. polecki is considered non-pathogenic and does not require treatment
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5
Q
  1. Name this parasite (size: 22 um)
  2. What is the life cycle stage
  3. State your reasons
  4. Name one drug used for treatment of infection with this parasite
A
  1. Entamoeba polecki
  2. Trophozoite
  3. Features:
    * Size: within size range (10-25 um) of E. polecki trophozoites
    * Distorted and irregularly shaped single nucleus
    * Small-to-minute centrally located karyosome
    * Delicate and uniform peripheral chromatin
  4. E. polecki is considered non-pathogenic and does not require treatment
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6
Q
  1. Name this parasite (size: 27 um)
  2. What is the life cycle stage
  3. State your reasons
  4. Name one drug used for treatment of infection with this parasite
A
  1. Entamoeba coli
  2. Trophozoite
  3. Features:
    * Size: within size range (15-50 um) for Entamoeba coli trophozoites
    * Contains a single nucleus
    * Characteristically large, eccentric karyosome
    * Peripheral, coarse, irregular chromatin
    * Cytoplasm is usually coarsely granular and vacuolated (often described as “dirty” cytoplasm)
  4. Entamoeba coli is non-pathogenic and does not require treatment
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7
Q
  1. Name this parasite (size: 15 um)
  2. What is the life cycle stage
  3. State your reasons
  4. Name one drug used for treatment of infection with this parasite
A
  1. Entamoeba coli
  2. Cyst
  3. Features:
    * Size: within size range (10-35 um) for Entamoeba coli cysts
    * Contains more than 4 nuclei (only Entamoeba spp. with more than 4 in the cyst stage) and may have 8-16
    * Eccentric karyosome
    * Peripheral, coarse, irregular chromatin
  4. Entamoeba coli is non-pathogenic and does not require treatment
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8
Q
  1. Name this parasite (size: 8 um)
  2. What is the life cycle stage
  3. State your reasons
  4. Name one drug used for treatment of infection with this parasite
A
  1. Entamoeba hartmanni
  2. Cyst
  3. Features:
    * Cyst within size range (5-10 um) of E. hartmanni
    * Up to 4 nuclei with central karyosome and evenly distributed peripheral chromatin
  4. Entamoeba hartmanni are non-pathogenic

N.b. E. hartmanni cysts look like E. histolytica cysts (12-15 um) but are smaller (5-10 um)

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9
Q
  1. Name this parasite (size: 9 um)
  2. What is the life cycle stage
  3. State your reasons
  4. Name one drug used for treatment of infection with this parasite
A
  1. Entamoeba hartmanni
  2. Cyst
  3. Features:
    * Cyst within size range (5-10 um) of E. hartmanni
    * Up to 4 nuclei with central karyosome and evenly distributed peripheral chromatin
  4. Entamoeba hartmanni are non-pathogenic

N.b. E. hartmanni cysts look like E. histolytica cysts (12-15 um) but are smaller (5-10 um)

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10
Q
  1. Name this parasite (size: 12 um)
  2. What is the life cycle stage
  3. State your reasons
  4. Name one drug used for treatment of infection with this parasite
A
  1. Iodamoeba buetschlii
  2. Cyst
  3. Features:
    * Spherical to ellipsoid cyst within the size range (5-20 um) of Iodamoeba buetschlii
    * Large compact vacuole
    * Single nucleus
  4. Iodamoeba buetschlii is non-pathogenic
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11
Q
  1. Name this parasite (size: 15 um)
  2. What is the life cycle stage
  3. State your reasons
  4. Name one drug used for treatment of infection with this parasite
A
  1. Entamoeba polecki
  2. Cyst
  3. Features:
    * Size: within size range (9-25 um) of E. polecki cysts
    * Numerous chromatoid bodies
    * Single nucleus (may occasionally be binucleate)
  4. E. polecki is considered non-pathogenic and does not require treatment
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12
Q
  1. Name this parasite (size: 18 um)
  2. What is the life cycle stage
  3. State your reasons
  4. Name one drug used for treatment of infection with this parasite
A
  1. Iodamoeba buetschlii
  2. Cyst
  3. Features:
    * Spherical to ellipsoid cyst within the size range (5-20 um) of Iodamoeba buetschlii
    * Large compact vacuole
    * Single nucleus
  4. Iodamoeba buetschlii is non-pathogenic
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13
Q
  1. Name this parasite (size: 15 um)
  2. What is the life cycle stage
  3. State your reasons
  4. Name one drug used for treatment of infection with this parasite
A
  1. Entamoeba polecki
  2. Cyst
  3. Features:
    * Size: within size range (9-25 um) of E. polecki cysts
    * Numerous chromatoid bodies
    * Single nucleus (may occasionally be binucleate)
  4. E. polecki is considered non-pathogenic and does not require treatment
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14
Q
  1. Name this parasite (size: 16 um)
  2. What is the life cycle stage
  3. State your reasons
  4. Name one drug used for treatment of infection with this parasite
A
  1. Chilomastix mesnili
  2. Trophozoite
  3. Features:
    * Pear-shaped trophozoite within the size range (6-24 um) for Chilomastix mesnili
    * Rounded anterior end with a single nucleus and eccentric karyosome
    * Posterior end tapers to a point
  4. C. mesnili is non-pathogenic
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15
Q
  1. Name this parasite (size: 34 um)
  2. What is the life cycle stage
  3. State your reasons
  4. Name one drug used for treatment of infection with this parasite
A
  1. Entamoeba coli
  2. Trophozoite
  3. Features:
    * Size: within size range (15-50 um) for Entamoeba coli trophozoites
    * Contains a single nucleus
    * Characteristically large, eccentric karyosome
    * Peripheral, coarse, irregular chromatin
    * Cytoplasm is usually coarsely granular and vacuolated (often described as “dirty” cytoplasm)
  4. Entamoeba coli is non-pathogenic and does not require treatment
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16
Q
  1. Name this parasite (size: 18 um)
  2. What is the life cycle stage
  3. State your reasons
  4. Name one drug used for treatment of infection with this parasite
A
  1. Entamoeba coli
  2. Cyst
  3. Features:
    * Size: within size range (10-35 um) for Entamoeba coli cysts
    * Contains more than 4 nuclei (only Entamoeba spp. with more than 4 in the cyst stage) and may have 8-16
    * Eccentric karyosome
    * Peripheral, coarse, irregular chromatin
  4. Entamoeba coli is non-pathogenic and does not require treatment

DTMH - Parasitology & Entomology Slides (20 decks)

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