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Question

Which cells of the "crypts of Lieber Kuhn" secrete antibacterial lysosome?

A
Paneth cells
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B
Kupfer cells
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C
Zymogen cells
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D
Argentaffin cells
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Solution

The correct option is A Paneth cells
In the small intestine, Paneth cells residing at the bottom of the intestinal "crypts of the Lieber Kuhn" are the key effectors of innate mucosal defense. Paneth cells produce large amounts of α-defensins and other antimicrobial peptides, such as lysozymes and secretory phospholipase.
Kupffer cells are specialized macrophages located in the liver, lining the walls of the sinusoids that form part of the mononuclear phagocyte system.
Digestive enzymes are released in inactive forms called zymogens. This is necessary to prevent the digestive enzymes from digesting the cells that produce them.
Argentaffin cells occur in the lining tissue of the digestive tract and containing granules thought to be of secretory function.

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