Immunoglobulin A (Noun)
Meaning
One of the most common of the five major classes of immunoglobulins; the chief antibody in the membranes of the gastrointestinal and respiratory tracts.
Classification
Nouns denoting substances.
Examples
- Immunoglobulin A is crucial for protecting mucosal surfaces, such as those found in the respiratory and gastrointestinal tracts, from pathogens.
- The presence of immunoglobulin A in mucosal secretions like saliva and mucus provides an essential defense mechanism against invading microorganisms.
- Immunoglobulin A antibodies are the primary defense against pathogens that enter the body through the mucous membranes of the respiratory and gastrointestinal tracts.
- Immunoglobulin A plays a key role in maintaining homeostasis in the gut by regulating the balance of the microbiome.
- The unique structure of immunoglobulin A allows it to bind to pathogens and prevent them from adhering to the mucosal surfaces of the respiratory and gastrointestinal tracts.