Absorption of one of the following can occur without being broken down
Protein
Triglycerides, although this seen only in infants
a-Dextrins
Sucrose
Absorption of undigested protein can occur, especially in infants. This decreases with age. However, adults can still absorb undigested protein. The M cells (microfold cells) overlying the Payer's patches absorb antigens.
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