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Discussion Starter · #1 ·
A woman who has just given birth was told that breast feeding is excellent in confering immunity to her newborn. This includes the movement of dimeric IgA molecules through polarized epithelial cells to reach the ductal lumen. Which of the following best describes this process?

A- Endocytois
B- Pinocytosis
C- Phagocytosis
D- Transcytosis
E- Sorting
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