have a single nucleus, which have a centrally placed karyosome and uniformly distributed peripheral chromatin. This typical appearance of the nucleus is not always observed as some ...

 

Trichuris trichiura eggs are 50-55 micrometers by 20-25 micrometers. They are barrel-shaped, thick-shelled and possess a pair of polar “plugs” at each end. The eggs are unembryonated ...

Left, wet mount examination. Right, trichrome stain. These cells are often mistaken by inexperienced microscopists as amoebic cysts. The fact that the areas taken up by the nucleus ...

Trophozoites of Trichomonas vaginalis are pyriform and 7-30 µm long. They have five flagella: four anteriorly directed flagella and one posteriorly along the outer membrane of the ...

Cysts of Iodamoeba buetschlii vary from being nearly spherical to ellipsoidal, and measure 5-20 µm. Cysts contain a single nucleus that is not visible in either unstained or iodine-stained ...

Charcot-Leyden crystals are formed from the breakdown of eosinophils and may be seen in the stool or sputum of patients with parasitic diseases especially tissue-invading parasites ...

The eggs of Taenia spp. are indistinguishable from each other, as well as from other members of the Taeniidae. The eggs measure 30-35 micrometers in diameter and are radially-striated. ...

on the Left , an amoebic trophozoite. Right, a squamous epithelial cell with angular appearance, resulting from desquamation of the anal epithelium. Note in these two cells the different ...

The eggs of Schistosoma japonicum are large and more rounded than other species, measuring 70-100 µm long by 55-64 µm wide. The spine on S. japonicum eggs is smaller and less conspicuous ...

Trypanosoma brucei in a thin blood smear stained with Giemsa