Wheatley Trichrome Staining

Wheatley Trichrome Staining

Wheatley Trichrome Staining definition Wheatley Trichrome staining technique is a special permanent satin used in parasitology for the detection and identification of intestine protozoans from stool samples. Trichrome staining is performed on a PVA-fixed or Schaudinn’s- Preserved stool sample. The protozoan morphologies identified are cysts and trophozoites. Gomori developed this stain in 1951 and it was late modified by Wheatley …

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Thick Blood Smear and Thin Blood Smear

Thick Blood Smear and Thin Blood Smear

Introduction A well-prepared blood smear is important to produce good results on analysis after doing a Giemsa stain, in identifying blood cells or/and demonstrating the presence of parasites in a sample. Below, we discuss the procedures for preparing both thin and thick smear for Giemsa staining technique, Importance, and applications of blood smears, in detail. Blood smears are mostly done …

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Giemsa Stain- Principle, Procedure, Results, Interpretation

Giemsa Stain- Principle, Procedure, Results, Interpretation

Introduction Giemsa stain was a name adopted from a Germany Chemist scientist, for his application of a combination of reagents in demonstrating the presence of parasites in malaria. It belongs to a group of stains known as Romanowsky stains. These are neutral stains made up of a mixture of oxidized methylene blue, azure, and Eosin Y and they performed on …

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Host-Parasite Interactions

Host-Parasite Interactions

Host-Parasite Interactions Parasitism is a type of symbiotic relationship between two organisms: a parasite, usually the smaller of the two, and a host, upon which the parasite is physiologically dependent. The host in a host-parasite interaction is the animal that maintains the parasite. Types of Parasites There are two major types of parasites, endoparasites, and ectoparasites, according to location. Endoparasites live within the body of …

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Classification of Protozoa

Classification of Protozoa

Classification of Protozoa The sub kingdom Protozoa which was originally included in the kingdom protista includes unicellular, non-photosynthetic, eukaryotic microorganism that are considered single celled, The Protozoan Animals. The Protozoa may be defined as ‘microscopic, acellular animalcules existing singly or in colonies without tissues and organs, having one or more nuclei. When in colonies, they differ from metazoa in having …

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40 Differences between Plasmodium vivax and Plasmodium falciparum

Differences between Plasmodium vivax and Plasmodium falciparum

Differences between Plasmodium vivax and Plasmodium falciparum Five species of Plasmodium are believed to cause malaria in humans: Plasmodium vivax, P. falciparum, P. malariae, P .ovale and P. knowlesi.  Of the five species that infect humans, P. vivax and P. falciparum cause 95% of the total infections. S.N. Character Plasmodium vivax Plasmodium falciparum 1. Disease Caused Benign tertian malaria Malignant tertian …

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