Elevated IgE has also been observed in an individual with TYK2 deficiency and in individuals with Netherton syndrome, a disorder associated with mutations in the SPINK5 gene.
The definition of good day is a phrase used to say hello or goodbye during the day. An example of good day is how you would say goodbye to a friend with whom you just had lunch. a phrase used during the day as a greeting or farewell. interjection.
DEFINITION of 'Normal Good'. An economic term used to describe the quantity demanded for a particular good or service as a result of a change in the given level of income. A normal good is one that experiences an increase in demand as the real income of an individual or economy increases. Another way to define a normal good is by calculating its income elasticity of demand. If this coefficient is positive and lower than 1, the good is considered to be a normal good.