XI 



Protozoa of the Digestive 

 and Urogenital Tracts 



Protozoa of the human mouth 

 Trichomonas tenax 

 Entamoeba gingh/alis 



Flagellates of the human intestine 

 Retortomonas intestinalis 

 Tricercomonas intestinalis 

 Chilomastix mesnili 

 Pentatricliomonas hominis 

 Giardia lamblia 

 Flagellosis 

 Chemotherapy 



Amoebae of the intestinal lumen 

 Endolimax nana 

 lodamoeba biitsclilii 

 Dietitamoeba fragilis 

 Entamoeba coli 

 Effects on the host 



Amoebiasis 



The causative organism 

 Invasion of tissues by Entamoeba 



histolytica 

 Various types of primary amoebiasis 

 Chemotherapy 



Intestinal amoebiasis 



Secondary amoebiasis 

 The search for new amoebacidal drugs 

 Problems in control of amoebiasis 



Balantidiosis 



Balantidium coli 

 Effects on man 

 Chemotherapy 



Coccidiosis 



Isospora hominis 

 Effects on man 

 Chemotherapy 



Trichomonas of the urogenital tract 

 Effects on man 



Laboratory diagnosis of infection 

 Protozoa of the mouth 

 Protozoa of the intestine 



Wet preparations 



Permanent preparations 



Concentration methods 



Culture methods 



Complement-fixation 

 Trichomonas vaginalis 



Literature cited 



PROTOZOA OF THE 

 HUMAN MOUTH 



X 



HE HUMAN MOUTH is in somc respects a fairly rigorous environ- 

 ment for Protozoa. Foods and drinks vary widely in temperature and 

 chemical nature, and the disturbances involved in the practice of dental 

 hygiene add further complications. Nevertheless, a flagellate (Tricho- 



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