Name the tissues where the following structures occur :
Nodes of Ranvier

Explanation

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for the specific tissues where the Nodes of Ranvier are found.

2. **Identifying the Structure**: Nodes of Ranvier are specialized structures that occur in the nervous system.

3. **Locating the Nodes of Ranvier**: These nodes are found in neurons, specifically along the axon of myelinated neurons.

...