Question

multiple choice question
leptin is secreted by ______

• goblet cells
• parietal cells
• osteocytes
• adipocytes

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Explanation:

To solve this, we recall the function of each cell type:

• Goblet cells secrete mucus (not leptin).
• Parietal cells secrete gastric acid (not leptin).
• Osteocytes are bone cells (not related to leptin secretion).
• Adipocytes (fat cells) secrete leptin, a hormone involved in energy balance and appetite regulation.

Answer:

D. adipocytes