Ependymal cells line

Options

A. Neurocoel
B. Ventricles of brain
C. Peritoneum
D. Both (1) and (2)

Answer

**Step-by-Step Solution:**

1. **Understanding Ependymal Cells**: Ependymal cells are a type of glial cell found in the central nervous system. They play a crucial role in the production and circulation of cerebrospinal fluid (CSF).

2. **Locations of Ependymal Cells**: Ependymal cells line specific structures in the body. The two primary locations are:
- The **ventricles of the brain**: These are cavities within the brain that are filled with cerebrospinal fluid.
- The **central canal of the spinal cord**: This is a narrow channel that runs through the center of the spinal cord, also filled with cerebrospinal fluid.

3. **Terminology**: The term "Neurocele" refers to the central canal of the spinal cord. Therefore, it is correct to say that ependymal cells line the Neurocele.

4. **Cell Structure**: Ependymal cells have a ciliated simple columnar epithelial structure. The cilia help in the movement of cerebrospinal fluid, ensuring proper circulation.

5. **Conclusion**: Given the information, ependymal cells line both the ventricles of the brain and the central canal of the spinal cord (Neurocele). Therefore, the correct answer is that ependymal cells line both the ventricles of the brain and the Neurocele.

6. **Final Answer**: The correct option is **both 1 and 2**.

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