In the internal ear, the 'organ of corti' which bear hair cells is located in

Options

A. Sacculus
B. Scala media
C. Scala tympani
D. Scala vestibuli

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks where the 'organ of Corti', which contains hair cells, is located in the internal ear.

2. **Identifying the Organ of Corti**: The organ of Corti is a crucial structure in the auditory system. It is responsible for converting sound vibrations into neural signals.

3. **Locating the Organ of Corti**: The organ of Corti is situated in the inner ear. More specifically, it is found within a structure called the cochlea.

4. **Cochlea Structure**: The cochlea is divided into three fluid-filled chambers:
- Scala vestibuli
- Scala media
- Scala tympani

5. **Specific Location**: The organ of Corti is located in the scala media, which is the middle chamber of the cochlea. This is where the hair cells are situated on the basilar membrane.

6. **Conclusion**: Therefore, the organ of Corti, which bears hair cells, is located in the scala media.

**Final Answer**: The organ of Corti is located in the scala media.

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