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Microbiology

Bacitracin Test or Bacitracin Susceptibility Test (Principle, Procedure, Requirements, Result Interpretation and  Limitations)

May 31, 2021 Sushil Humagain 0

Bacitracin test is one of the antimicrobial disc tests used to determine the susceptibility of bacteria to bacitracin. It is used for distinguishing group A […]

Bacterial endospore: Structure, Stages of Sporulation and Germination

May 28, 2021 Sushil Humagain 0

Spore is a resting or dormant cell which is metabolically inactive and is produced during unfavorable conditions like nutrition deficiency, extreme temperature and pH, presence […]

Antigen processing and presentation by MHC molecules

May 18, 2021 Sushil Humagain 0

Antigen processing and presentation are the means by which protein antigens become associated with self MHC molecules for presentation to T-cells with appropriate receptors. It […]

Antibody: Basic structure and Biological function

May 14, 2021 Sushil Humagain 0

Antibodies are globulin proteins present in blood that boost our immune system. Hence, these proteins are also called immunoglobulins. Antibodies react specifically with antigens and […]

Mucormycosis (The black fungus infection): Causal agents and their morphology, Pathogenesis, Clinical manifestations, Diagnosis, Treatment and Preventive management

May 12, 2021 Sushil Humagain 0

The term mucormycosis (also called zygomycosis) is used to refer to the opportunistic infections caused by a number of molds belonging to the Order Mucorales […]

The major histocompatibility complex (MHC): Types, their structure and functions

May 10, 2021 Sushil Humagain 0

MHC is a cluster of extensively studied genes located on chromosome 6 in humans that code for MHC molecules. MHC molecules are glycoprotein in nature […]

Candida albicans (Morphology, Pathogenesis, Clinical manifestations, Diagnosis, Treatment, Prevention and Control)

May 9, 2021 Sushil Humagain 0

Candida albicans is an endogenous opportunist that is capable of causing opportunistic mycoses. It is a normal flora of the skin, mucous membranes, and gastro-intestinal […]

The Complement system (Components, Activation and Pathways, Regulation, Biologic effects and Consequences of Complement deficiencies)

May 8, 2021 Sushil Humagain 0

What are complement proteins? The serum and membrane-bound proteins which are synthesized mainly by liver and phagocytic cells and are major components o f complement […]

Bacterial biofilms, their formation and role in pathogenesis

May 7, 2021 Sushil Humagain 0

What is a biofilm? A biofilm is an aggregate of interactive bacteria attached to a solid surface or to each other and encased in an […]

Trans-deamination (Metabolism of amino acids) and transport of ammonia from other organs to liver for detoxification

May 5, 2021 Sushil Humagain 0

Generally amino acids are the end products of the digestion of dietary proteins. In humans, the degradation of ingested proteins to their constituent amino acids […]

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