Tube that connects the middle ear cavity with the pharynx is called

Options

A. (1) Eustachian tube
B. (2) semicircular canal
C. (3) cochlea
D. (4) crus communie

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the name of the tube that connects the middle ear cavity with the pharynx.

2. **Recall Relevant Anatomy**: The structure that connects the middle ear to the pharynx is known to be important for equalizing pressure in the ear.

3. **Consider the Options Provided**: The options given include:
- Eustachian canal/tube
- Semicircular canal
- Cochlea
- Crows cuminae

4. **Analyze Each Option**:
- **Eustachian canal/tube**: This is known to connect the nasopharynx to the middle ear and is also referred to as the auditory tube. It is approximately 35 mm long and 3 mm wide.
- **Semicircular canal**: These are involved in balance and are located in the inner ear, not connecting to the pharynx.
- **Cochlea**: This is a spiral-shaped structure in the inner ear that plays a role in hearing, but does not connect to the pharynx.
- **Crows cuminae**: This is related to the vestibular apparatus of the ear and does not connect the middle ear to the pharynx.

5. **Select the Correct Answer**: Based on the analysis, the only correct option that connects the middle ear cavity with the pharynx is the **Eustachian canal/tube**.

6. **Conclude**: Therefore, the answer to the question is the **Eustachian tube**.

**Final Answer**: The tube that connects the middle ear cavity with the pharynx is called the **Eustachian tube**.

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