Microbiology

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...

Added by mukesh

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...

Added by mukesh

HOSPITAL ACQUIRED INFECTION

HOSPITAL ACQUIRED INFECTION(NOSOCOMIAL INFECTION) Nosocomial infection comes from Greek words “ nosus ” meaning disease and “ komeion ”...

Added by mukesh

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...

Added by mukesh

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...

Added by mukesh

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...

Added by mukesh

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...

Added by mukesh

 Immunoglobulins

 Immunoglobulins (Gamma Globulins)- The term immunoglobulin was introduced in 1959 for serum proteins formerly known as gamma globulins. Immunoglobulins are very imp...

Added by mukesh

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...

Added by mukesh

Disease Producing DNA Viruses

Disease Producing DNA Viruses A. Variola and Vaccinia Viruses 1. Variola Viruses (small pox virus) Variola major Variola minor

Added by mukesh

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...

Added by mukesh

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...

Added by mukesh

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...

Added by mukesh

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...

Added by mukesh

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...

Added by mukesh

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...

Added by mukesh