Moderate

Secretory piece of IgA is synthesized in______________?

Correct answer: D. Mucosal epithelium

  • A. T-cells
  • B. B-cells
  • C. Lymph nodes
  • D. Mucosal epithelium

Explanation

The secretory component, also called the secretory piece, is made by mucosal epithelial cells and helps transport IgA across the epithelium. Plasma cells produce the IgA antibody portion, not the secretory component.

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