Vestibule is

Options

A. part of pharynx
B. part of buccal cavity
C. Space between gums and lips
D. part of tongue having tonsils

Answer

**Step-by-Step Solution:**

1. **Understanding the Term 'Vestibule':**
- The vestibule refers to a specific anatomical space or cavity within the body. In the context of the oral cavity, it is important to identify where this space is located.

2. **Identifying the Location of the Vestibule:**
- The vestibule is situated between the gums and the lips. It is a narrow, triangular space that plays a role in the oral cavity.

3. **Function of the Vestibule:**
- The vestibule aids in the transport of food by allowing for the movement of the tongue and the manipulation of food within the mouth. It also assists in the proper positioning of the epiglottis during swallowing.

4. **Conclusion:**
- Based on the definition and location, the vestibule can be defined as the space between the gums and lips.

5. **Final Answer:**
- Therefore, the answer to the question "Vestibule is" is **option C: space between gums and lips.**

---