Smallest bone in Rabbit and Man is

Options

A. Stapes
B. Patella
C. Nasal
D. Palatine.

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for the smallest bone found in both rabbits and humans.

2. **Identifying the Options**: The options provided are:
- Stapes
- Patella
- Nasal
- Palatine

3. **Analyzing Each Option**:
- **Stapes**: This is located in the middle ear and is one of the three ossicles (the other two being malleus and incus). It is known to be the smallest bone in the human body and also in rabbits.
- **Patella**: This is the kneecap, which is larger than the stapes.
- **Nasal**: These are the small bones forming the bridge of the nose, but they are larger than the stapes.
- **Palatine**: These bones form part of the hard palate and are also larger than the stapes.

4. **Conclusion**: After analyzing all options, the stapes is confirmed to be the smallest bone in both rabbits and humans.

5. **Final Answer**: The smallest bone in rabbit and man is the **stapes**.