Scala vestibuli & scala tympani ends at the windows respectively

Answer

To answer the question regarding the endpoints of scala vestibuli and scala tympani, we can break down the solution into the following steps:

### Step-by-Step Solution:

1. **Understanding the Structure of the Ear**:
- The inner ear is connected to the middle ear through two openings known as windows. These are crucial for the transmission of sound vibrations from the middle ear to the inner ear.

2. **Identifying the Windows**:
- The two windows in question are the **oval window** and the **round window**.
- The oval window is also referred to as the **fenestra ovalis**, while the round window is known as the **fenestra rotunda**.

3. **Associating Scala Vestibuli with the Oval Window**:
- The **scala vestibuli** is the uppermost compartment of the cochlea. It begins at the oval window, which leads into the inner ear. Therefore, the scala vestibuli ends at the oval window.

4. **Associating Scala Tympani with the Round Window**:
- The **scala tympani** is the lowermost compartment of the cochlea. It connects to the middle ear via the round window. Thus, the scala tympani ends at the round window.

5. **Final Answer**:
- In summary, the scala vestibuli ends at the **fenestra ovalis (oval window)**, and the scala tympani ends at the **fenestra rotunda (round window)**.

### Final Answer:
- Scala vestibuli ends at the **fenestra ovalis (oval window)**.
- Scala tympani ends at the **fenestra rotunda (round window)**.