Lobosea Flashcards
(24 cards)
Can be pathogenic/non pathogenic
Dientamoeba fragilis
Pathogenic and Non Pathogenic Amoeba
Entamoeba histolytica Entamoeba coli Entamoeba dispar Entamoeba polecki Entamoeba hartmanii Entamoeba gingivalis Iodamoeba butschlii Endolimax nana
Mode of transmission of entamoeba gingivalis
Kissing
Developmental stage of Dientamoeba fragilis and Entamoeba gingivalis
Cystic and trophic stage
Habitat of Entamoeba gingivalis
Buccal cavities
Infective stage of Dientamoeba fragilis and Entamoeba gingivalis
Cystic and Trophic stage
All of them are non pathogenic except
Entamoeba histolytica
Stages of Amoeba: Trophozoite
Motile Feeding/Vegetative stage One nucleus Liquid/Watery feces Non infective stage
Stages of Amoeba
Trophozoite > Precyst > Cyst > Metacystic Trophozoite
Stages of Amoeba: Precyst
Transitory stage prior to encystation
Smaller than Trophozoite
Stages of Amoeba: Cyst
Non motile Infective stage 4-8 nucleus Seen in formed stool Smaller than Trophozoite
Stages of Amoeba: Metacystic Trophozoite
Transitory stage prior to excystation
Cause of gingivitis
Entamoeba gingivalis
Types of intestinal amebiasis
Symptomatic/Acute
Asymptomatic/Chronic
Incubation period of symptomatic intestinal amebiasis
2-5 days
Systematic amebiasis is characterized by:
Necrotic, mucosa and abdominal pain
Stool of systematic intestinal amebiasis is
Bloody and mucus filled
Asymptomatic amebiasis is characterized by:
Recurrent episodes of dysentery, GIT, disturbances and constipation.
Stool of asymptomatic amebiasis
Bloody and mucus filled
Formed from primary intestinal lesions
Extraintestinal lesions
Common site of extraintestinal amebiasis
Liver (Hepatic amebiasis)
Other types of extraintestinal amebiasis
Pneumatic Amebiasis
Cerebral Amebiasis
Laboratory diagnosis of extraintestinal amebiasis can be made through
Serological tests
Examples of serologic tests for extraintestinal amebiasis
Complementary fixation tests
Hemagglutination test
Immunofluorescent antibody test
Double diffusion
