Crypts of Lieberkuhn are pesent in `:-`

Options

A. Small intestine
B. Stomach
C. Oesophagus
D. All of these

Answer

To answer the question "Crypts of Lieberkühn are present in:", we will analyze the options provided and determine where these structures are located.

### Step-by-Step Solution:

1. **Understanding Crypts of Lieberkühn**:
- Crypts of Lieberkühn are glandular structures found in the intestinal lining. They are responsible for secreting various digestive enzymes and intestinal juices.

2. **Analyzing the Options**:
- **Option A: Small Intestine**: The crypts of Lieberkühn are primarily found in the small intestine, where they secrete enzymes like protease, lipase, and amylase that aid in digestion.
- **Option B: Stomach**: The stomach does not contain crypts of Lieberkühn. Instead, it has gastric glands that secrete hydrochloric acid and digestive enzymes.
- **Option C: Esophagus**: The esophagus is primarily a conduit for food and does not have crypts of Lieberkühn. Its main function is to transport food from the mouth to the stomach.
- **Option D: All of these**: Since crypts of Lieberkühn are not present in the stomach or esophagus, this option is incorrect.

3. **Conclusion**:
- Based on the analysis, the only correct answer is **Option A: Small Intestine**.

### Final Answer:
Crypts of Lieberkühn are present in the **small intestine**.

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