Amoebas and Flagellates

What is this parasite?

Giardia lamblia (Trophozoite form)

What is this parasite?

Chilomastix mesnili (Trophozoite form)

What is this parasite?

Entamoeba gingivalis (Trophozoite form)

Major causative agent of Primary Amebic Meningoencephalitis (PAM)

Naegleria fowleri

What is this parasite?

Giardia lamblia (Cyst Form)

What is this parasite?

Chilomastix mesnili (Cyst form)

The only protozoan parasite found in the lumen of the human small intestine

Giardia lamblia

Organim that possesses whiplike locomotory organelle

flagella

What is this parasite?

Entamoeba Histolytica (Cyst Form)

A finlike structure connected to the outer edge of some flagellates

UNDULATING MEMBRANE:

A rodlike support structure found in some flagellates

AXOSTYLE

What do you call the flagellates found in the alimentary tract and urogenital tract?

Lumen-dwelling flagellates

What is this parasite?

Endolimax Nana (Cyst)

What is this parasite?

Endolimax Nana (Trophozoite)

What is this parasite?

Entamoeba Coli (Cyst)

What is this parasite?

Enteromonas Hominis (Cyst)

Parasite that produce vaginitis and urethritis.

Trichomonas vaginalis

What is this parasite?

Enteromonas Hominis (Trophozoite)

A parasite that has a characteristic cleft-like cytostome, which may be seen near the nucleus.

Retortamonas intestinalis

OLD MAN’S FACE/OLD MAN WITH EYEGLASSES APPEARANCE

Giardia lamblia

What is this parasite?

Iodamoeba butschli (Cyst Form)

Parasite that is morphologically identical with Entamoeba histolytica and impossible to distinguish the two based on morphology alone

Entamoeba dispar

The “small-race” Entamoeba histolytica

Entamoeba hartmanni

What special media is used to support E. histolytica in culture?

TYI-S-33

What is the parasite that has no cystic form?

Entamoeba gingivalis

What is this parasite?

Iodamoeba butschli (Trophozoite Form)

What is this parasite?

Retortamonas intestinalis (Trophozoite form)

What is this parasite?

Retortamonas intestinalis (Cyst form)

The parasite that causes Gay Bowel Syndrome

Giardia lamblia

Another name for Naegleria fowleri

Brain eating Amoeba

Three morphologic forms of Naegleria fowleri

1.) ameboid trophozoite

2.) flagellate

3.) cysts

What is this parasite?

Acanthamoeba spp.

A. culbertsoni is formerly known as?

Hartmanella culbertsoni

Parasite that is first detected in sewage

Entamoeba moshkovskii

Primarily considered a parasites of pigs and monkeys

Entamoeba polecki

How do Entamoeba histolytica and Entamoeba coli differ in their motility?

E. histolytica moves unidirectionally; E. coli moves sluggishly in several directions.

How is Entamoeba hartmanni characterized in comparison to E. histolytica?

It is smaller and does not ingest RBCs.

What is Acanthamoeba spp. primarily known for?

Causing Granulomatous Amebic Encephalitis (GAE) and keratitis.

What is the most effective culture approach for Acanthamoeba spp.?

non-nutrient agar plates with Page’s saline and an overlay growth of Escherichia coli on which the amebae feed.

The most common cause of diarrhea in patients with immunodeficiency syndromes

Giardiasis