Structural details of organisms cannot be seen under a light microscope due to a lack of contrast. Hence, we use dyes to stain cells. Dyes bind with cellular constituents producing color contrast and...
Month: August 2013
Common names of some infectious diseases are funny and don't relate to their scientific names or etiology. But some of these names are derived from the mode of transmission of diseases and in which...
1. Which of the following bacteria was not discovered by Robert Koch? a) Bacillus anthracis b) Mycobacterium...
Anti-streptolysin O Titer (ASOT): Principle, Procedure, and Results
Most people infected with group A streptococci produce anti-streptolysin O (ASO) antibodies. In infections caused by β-hemolytic streptococci, streptolysin-O is one of the two hemolytic...
Meningitis is an inflammation of the membranes covering the brain and spinal cord known as the meninges. The most common etiologic agents of acute meningitis are enteroviruses (primarily...
The name measles is derived from the Latin, misellus, meaning miserable. Measles (also called Rubeola-(from rubeolus, Latin for reddish) ) is usually a disease of childhood (aged 3-10 years) and is...