Microbiology
Microbiology
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Infection
Infection An infection is the invasion of an organism’s body tissues by disease causing agents, their multiplication and the reaction of host tissues to the infecti...
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Hypersensitivity
Hypersensitivity Hypersensitivity refers to a condition in which immune response results in excessive reaction leading to tissue damage, disease or even death in sens...
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HOSPITAL ACQUIRED INFECTION
HOSPITAL ACQUIRED INFECTION(NOSOCOMIAL INFECTION) Nosocomial infection comes from Greek words “ nosus ” meaning disease and “ komeion ”...
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Sterilisation and Disinfection
Sterilisation It is a process by which an article, surface or medium is made free of all microorganisms either in the vegetative or spore form. Di...
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Immunization
Immunization- Immunization is defined as the procedure by which the body is prepared to fight against a specific disease. It is used to induce the immune resistance of...
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Immunity
Immunity- Immunity is defined as the capacity of the body to resist pathogenic agents. It is the ability of body to resist the entry of different types of foreign bodi...
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Bacteria Toxins
Toxins- Bacteria produce toxins or poisonous substances by their growth. Toxins are complex proteins or substances much like proteins. There are two types of toxins na...
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Immunoglobulins
Immunoglobulins (Gamma Globulins)- The term immunoglobulin was introduced in 1959 for serum proteins formerly known as gamma globulins. Immunoglobulins are very imp...
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Disease Producing RNA Viruses
Disease Producing RNA Viruses- An RNA virus is a virus that has RNA (ribonucleic acid) as its genetic material. Another term for RNA...
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Disease Producing DNA Viruses
Disease Producing DNA Viruses A. Variola and Vaccinia Viruses 1. Variola Viruses (small pox virus) Variola major Variola minor
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Viruses
Viruses- Viruses may be defined as extremely small obligate intracellular living forms containing only one type of nucleic acid either DNA or RNA. Earlier they were ca...
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Entamoeba histolytica
Parasites and Vectors- Parasite- An organism which derives its nourishment at the cost of another organism (host) in or on which it lives is c...
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Fungi
Fungi- A fungus is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushro...
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Gram-Negative Bacteria
Gram-Negative Bacteria- Gram-negative bacteria lose the crystal violet stain (and take the color of the red counterstain) in Gram's meth...
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Gram Positive Bacteria
Gram Positive Bacteria- The Gram-Positive bacteria take the Crystal violet stain used in the test, and then appear to be purple-colour when seen through an optical mic...
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Bacteria
Bacteria- Bacterial are unicellular prokaryotic, microscopic organisms and the unit of measurement used for measuring bacteria is micron (1 micron or micrometre is one...
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