Which antibody is present in salivary secretions that restricts microbes from moving across the epithelium and avoids further infection?
IgE
IgA
IgG
Both A & B
The salivary glands secrete saliva with major content of IgA in it which is synthesized in dimeric form by the plasma cells in salivary glands. Saliva also contains IgG which is derived from serum mainly through gingival crevices as well some are locally produced.
Option 2 is the correct answer.