Major immunoglobulin secreted by intestine -
IgG
IgM
IgA
IgD
Ans. is 'c' i.e., IgA IgAo It is the second most abundant antibody (after IgG).o It is major immunoglobulin in dost rum, saliva, tears, respiratory and gastrointestinal secretions. Ig A occurs in two forms.o Slg A and J chain are synthesized by plasma cells.o Secretory# component is produced by mucosal or glandular epithelial cells.o Two subclasses of IgA have been described Ig A. & Ig A,.IgA1-predominant serum IgAIgA2-predominant secretory IgA
Anitibody