Todd unit
The unit in which the results of testing for antistreptolysin O (ASO) are expressed. It denotes the reciprocal of the highest dilution of test serum at which there continues to be neutralization of a standard preparation of the streptococcal enzyme streptolysin O.
Dictionary > Todd unit
You will also like...
ATP & ADP – Biological Energy
ATP is the energy source that is typically used by an organism in its daily activities. The name is based on its structu..
Indicator Species and Endangered Species
Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..
Lights’ Effect on Growth
This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..
Movement of Molecules Across Cell Membranes
Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of..
Genetics – Lesson Outline & Worksheets
Topics Modules Quizzes/Worksheets Description Introduction to Genetics Genetics – Definition: Heredity and ..
Physical Development in Humans
This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..