howMed Know Yourself
A large number of normal intestinal flora is greatly influenced by diet. The microorganisms which form part of this normal … Read More »
Stool Routine Examination
Motility Test -Methods, Procedures and Importance
Motility test is useful for identification of bacteria which possess similar biochemical reactions. Following methods are used for doing the … Read More »
Oxidase Test -Principle, Procedure and Interpretations
Principle This test depends on the presence of cytochrome oxidase in bacteria that will catalyze the transport of electrons between … Read More »
Identification of Bacteria
Four basic tests are used for identifying bacteria in the lab, these include: 1. Determination of Morphology Gram stain (or … Read More »
Ziehl Neelsen Staining -Principle, Procedure and Interpretations
Principle This procedure is used to stain mycobacterium tuberculosis and mycobacterium leprae. These bacteria are also called acid fast bacilli. … Read More »
Gram Staining -Principle and Procedure
Principle Most bacteria can be differentiated by the gram reactions due to difference in their cell wall structure. Gram positive … Read More »
Study of a Compound Microscope
Principle The working principle of microscope is to show large image of those objects which cannot be seen with the … Read More »
