Chlamydia trachomatis Laboratory Diagnosis

Chlamydia trachomatis Laboratory Diagnosis

Chlamydiae are obligatory, aerobic, intracellular parasites of eukaryotic cells.Chlamydiae are obligatory, aerobic, intracellular parasites of eukaryotic cells.They are small gram- negative cocci or rod- shaped, non- motile bacteria.Chlamydiae exhibits intermediate characteristics between bacteria and viruses.They…

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Acanthamoeba infection laboratory diagnosis

Acanthamoeba infection laboratory diagnosis

Over the years, Acanthamoeba cases have been reported from many countries worldwide. In the United States, both CNS and Acanthamoeba eye infections have been reported. CNS infections occur primarily in patients who are immunocompromised or…

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Lowenstein-Jensen (LJ) Medium : Principle, Preparation and Colony Morphology

Lowenstein-Jensen (LJ) Medium : Principle, Preparation and Colony Morphology

Lowenstein-Jensen (LJ) Medium is used in the isolation and cultivation of Mycobacterium species.Solid media used for the isolation and cultivation of Mycobacteria are egg- based or agar- based.Egg- based media contain whole eggs or egg…

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Semen Analysis: Sperm Counting Test Procedure and Results

Semen Analysis: Sperm Counting Test Procedure and Results

Semen analysis provides essential information on the individual’s clinical status. Clearly, the collection and analysis of semen must be carried out using properly standardized procedures if the results are to provide valid information.Normal semen is…

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Papanicolaou stain : Principle ,Procedure and Result Interpretation

Papanicolaou stains : Principle ,Procedure and Interpretation

Papanicolaou stains are used to differentiate cells in smear preparations of various body secretions. Pap stain is a very reliable technique. As such, it is used for cervical cancer screening.Malignant cells are generally characterized by…

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Pneumocystis jiroveci Laboratory Diagnosis

Pneumocystis jiroveci Laboratory Diagnosis

Pneumocystis jiroveci is common in many parts of the world. Particularly in United States, Asia and Europe. The route of organism transmission is believed to be through the transfer of pulmonary droplets by direct person-…

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Cryptosporidium parvum laboratory diagnosis

Cryptosporidium parvum laboratory diagnosis

Cryptosporidium is distributed worldwide.Of the 20 species that are known to exist, only Cryptosporidium parvum infects human beings.Infection appears to occur primarily through water or food contaminated with infected feces and through transmission from person…

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Toxoplasma gondii laboratory diagnosis

Toxoplasma gondii laboratory diagnosis

Toxoplasma gondii is found worldwide, mainly because so many animals can harbor the organism.Information collected to date indicates that no population is exempt from the possibility of contracting Toxoplasmosis.One of the most important populations at…

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Wuchereria bancrofti Laboratory Diagnosis

Wuchereria bancrofti Laboratory Diagnosis

Wuchereria bancrofti can be found in the subtropical and tropical areas of the world.These include Central Africa, the Nile Delta, India, Pakistan, Thailand, the Arabian Coast, the Philippines, Japan, Korea and China in the Eastern…

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artifacts and confusers in Parasitological samples

Artifacts and confusers in Parasitology

There are a number of structures close to parasites, but in reality they are not.These structures, known as artifacts and confusers in parasitology, are mainly found in samples of stools and blood.Such stool artifacts and confusers…

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