Iga
Iga (Immunoglobulin A)
Iga (pronounced as /ˈaɪˌdʒiːˈeɪ/), also known as Immunoglobulin A, is a type of antibody that plays a crucial role in the function of the immune system, particularly in the mucous membranes.
Etymology
The term "Iga" is an abbreviation for "Immunoglobulin A". The term "Immunoglobulin" is derived from the Latin words "immunis" meaning "exempt" and "globus" meaning "sphere", referring to the protein's role in the immune response. The "A" denotes the specific type of immunoglobulin.
Function
Iga is primarily found in areas of the body such as the nose, breathing passages, digestive tract, ears, eyes, and vagina. It is the first line of defense in these areas, protecting against pathogens by neutralizing them and preventing them from adhering to the walls of the mucous membranes.
Related Terms
- Antibody: A protein produced by the body's immune system when it detects harmful substances, called antigens.
- Immune System: The body's defense against infectious organisms and other invaders.
- Mucous Membranes: The moist tissue that lines certain parts of the inside of your body.
- Pathogens: A bacterium, virus, or other microorganism that can cause disease.
See Also
External links
- Medical encyclopedia article on Iga
- Wikipedia's article - Iga
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