Spot the mistakes in the given statements and correct them.
a) Medullated nerve cells are enclosed by Myclin sheath.
b) Nont - Medullated nerve cells are enclosed by Myelin sheath,

Explanation

### Step-by-Step Solution:

1. **Identify the Mistakes**:
- In statement (a), it says "Medullated nerve cells are enclosed by Myclin sheath." The term "Myclin" is incorrect; it should be "myelin."
- In statement (b), it states "Nont - Medullated nerve cells are enclosed by Myelin sheath." The term "Nont" is incorrect; it should be "Non."

2. **Correct the Statements**:
- **Corrected Statement (a)**: Medullated nerve cells are enclosed by myelin sheath.
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