Microbiology
Microbiology
![](https://image.slidesharecdn.com/diseasetransmission-151004055717-lva1-app6892/95/disease-transmission-and-cycle-14-638.jpg)
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...
![](https://i.pinimg.com/736x/d7/ac/c0/d7acc0422125e747a99c0101a9fae096--type-iv-hypersensitivity-bodies.jpg)
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...
![](https://www.researchgate.net/publication/342512124/figure/download/fig1/AS:907389846962176@1593350006740/The-most-common-site-of-nosocomial-infections.png)
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...
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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...
![](https://healthmattersio.files.wordpress.com/2018/07/gamme-globulins-immunoglobulins.jpg?)
Immunoglobulins
Immunoglobulins (Gamma Globulins)-
The term immunoglobulin was introduced in 1959 for serum proteins formerly known as gamma globulins. Immunoglobulins are very imp...
![](https://www.researchgate.net/profile/Joseph_S_Peiris/publication/8149726/figure/fig2/AS:267465963864071@1440780263205/Schematic-diagram-of-the-SARS-coronavirus-structure-reproduced-from-ref-20The-viral.png)
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
![](https://i2.wp.com/biosci.blog/wp-content/uploads/2018/05/Virus-Structure.png?resize=472%2C307)
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...
![](http://www.conceptdraw.com/samples/resource/images/solutions/finance-&-accounting-charts/Education-Biology-Gram-negative-bacteria-envelope.png)
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...
![](https://hemtecks.files.wordpress.com/2015/06/screen-shot-2015-06-08-at-2-00-57-pm.png)
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...
![](https://3.bp.blogspot.com/-KkKcftqm8L0/UBgJV6YU1VI/AAAAAAAAAQI/cq0Ivi06MDY/s1600/Structure_Bacteria+.png)
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...