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Q.

Describe various types of barriers of innate immunity.

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Detailed Solution

Innate immunity is the resistance to diseases by birth. It is due to following barriers.

  • Physical barriers: Skin and mucous membranes
  • Physiological barriers: HCl in the stomach, saliva in the mouth, tears from the eyes
  • Cellular barriers: Phagocytic cells such as neutrophils, monocytes and natural killer cells
  • Cytokine barriers: Interferons
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Describe various types of barriers of innate immunity.