Ig (Noun)
Meaning
A class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response.
Classification
Nouns denoting substances.
Examples
- Immunoglobulin G is the most abundant antibody in blood circulation, playing a key role in fighting bacterial and viral infections.
- IgE antibodies are produced in response to parasites and can cause allergic reactions in people who have a high sensitivity to them.
- A healthy adult has a few grams of IgA antibodies in their system at any given time, providing the first line of defense against infections.
- When IgM antibodies are produced, it usually means that the immune system is reacting to a recent infection, making it an important diagnostic tool.
- Deficiencies in IgG and IgA antibodies can impair the body's ability to fight infections and can be caused by certain diseases or medical treatments.