Corynebacterium diphtheriae: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Corynebacterium diphtheriae colony morpholoy on 5% sheep blood agar after 48 hours of incubation

Introduction Corynebacterium diphtheriae is a gram-positive, rod-shaped bacterium that causes diphtheria, a highly contagious and potentially life-threatening respiratory infection. This bacterium was first identified and described by the German physician Edwin Klebs in 1883, and later confirmed by Friedrich Loeffler and Emil von Behring. The …

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Mycoplasma hominis: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Mycoplasma hominis is a species of bacteria belonging to the Mollicutes class. It is a unique microorganism as it lacks a cell wall, making it one of the smallest self-replicating organisms known. Due to this feature, it has a pleomorphic appearance, taking various shapes, …

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Anti-Thyroid Peroxidase (Anti-TPO) Assay: Introduction, Test Result, Unit, Normal Range, Test Method, Clinical Significance, and Keynotes

Anti-Thyroid Peroxidase (Anti-TPO) Assay: Introduction, Test Result, Unit, Normal Range, Test Method, Clinical Significance, and Keynotes

Introduction The Anti-Thyroid Peroxidase (Anti-TPO) assay is a diagnostic test used to measure the levels of anti-thyroid peroxidase antibodies in a person’s blood. Thyroid peroxidase (TPO) is an enzyme found in the thyroid gland, which is responsible for the production of thyroid hormones, such as …

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Urinalysis: Introduction, List of Some Common Tests, Test Report, Clinical Significance, and Keynotes

Urinalysis-Introduction, List of Some Common Tests, Test Report, Clinical Significance, and Keynotes

Introduction Urinalysis is a diagnostic medical test that involves the examination of urine to evaluate a person’s health and detect various medical conditions. It is one of the most commonly performed laboratory tests and provides valuable information about the body’s metabolism, kidney function, and overall …

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Escherichia coli: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Greenish metallic sheen of Escherichia coli on Eosin Methylene Blue (EMB) Agar

Introduction Escherichia coli, often abbreviated as E. coli, is a gram-negative, rod-shaped bacterium belonging to the Enterobacteriaceae family. It is one of the most commonly studied and well-known bacteria, both because of its importance in scientific research and its relevance in various aspects of human …

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Citrobacter koseri: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Mucoid colony of Citrobacter koseri on CLED agar of urine specimen

Introduction Citrobacter koseri, formerly known as Citrobacter diversus, is a gram-negative bacterium belonging to the Enterobacteriaceae family. It is a facultative anaerobe, meaning it can grow both in the presence and absence of oxygen. The species name “koseri” is a tribute to the bacteriologist Leo …

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Scabies: Introduction, Sign and Symptoms, Laboratory Diagnosis, Treatment, Prevention and Control, and Keynotes

Introduction Scabies is a common and contagious skin infestation caused by the microscopic mite Sarcoptes scabiei. It is prevalent worldwide and can affect people of all ages and socioeconomic backgrounds. Scabies mites burrow into the top layer of the skin, where they lay eggs and …

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Compound Microscope: Introduction, Principle, Parts, Uses, Care and Maintenance, and Keynotes

Compound Microscope- Introduction, Principle, Parts, Uses, Care and Maintenance, and Keynotes_

Introduction The compound microscope is a fundamental and widely used optical instrument that allows us to magnify and observe small objects or specimens that are otherwise invisible to the naked eye. It is an essential tool in various scientific fields, including biology, medicine, microbiology, and …

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