Question:
Epithelial tissue layers of the body parts are known to produce:
Epithelial tissue layers of the body parts are known to produce:
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Epithelial defense = physical barrier + antimicrobial secretions.
Updated On: Jun 20, 2026
- Lysosomes
- Antimicrobial proteins
- Phagocytes
- T-cells
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The Correct Option is B
Solution and Explanation
Step 1: Understanding epithelial tissue.
Epithelial tissues form the first protective barrier of the body, covering skin and internal surfaces.
Step 2: Defensive role of epithelium.
These tissues not only act as physical barriers but also secrete chemical protective substances.
Step 3: Antimicrobial protein secretion.
Epithelial cells produce antimicrobial proteins like defensins and lysozymes that prevent microbial invasion.
Step 4: Evaluating options.
Lysosomes are intracellular organelles, phagocytes are immune cells, and T-cells are lymphocytes.
Step 5: Biological reasoning.
Only antimicrobial proteins are secreted directly by epithelial layers for defense.
Step 6: Final conclusion.
Thus, epithelial tissues produce antimicrobial proteins.
Epithelial tissues form the first protective barrier of the body, covering skin and internal surfaces.
Step 2: Defensive role of epithelium.
These tissues not only act as physical barriers but also secrete chemical protective substances.
Step 3: Antimicrobial protein secretion.
Epithelial cells produce antimicrobial proteins like defensins and lysozymes that prevent microbial invasion.
Step 4: Evaluating options.
Lysosomes are intracellular organelles, phagocytes are immune cells, and T-cells are lymphocytes.
Step 5: Biological reasoning.
Only antimicrobial proteins are secreted directly by epithelial layers for defense.
Step 6: Final conclusion.
Thus, epithelial tissues produce antimicrobial proteins.
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