Malleolus is

Options

A. Prominence between metacarpal and proximal phalange
B. Knee prominence
C. Prominence of femur
D. Prominence at end of tibia and fibula.

Answer

### Step-by-Step Solution:

1. **Understanding the Term "Malleolus":**
- The term "malleolus" refers to a bony prominence found in the human body, specifically at the ankle.

2. **Identifying the Location:**
- Malleolus is located on each side of the human ankle. There are two malleoli: one on the medial side (inner side) and one on the lateral side (outer side).

3. **Bones Involved:**
- The malleolus on the medial side is formed by the lower end of the **tibia**, while the malleolus on the lateral side is formed by the lower end of the **fibula**.

4. **Analyzing the Options:**
- The question provides several options regarding what the malleolus is:
- A) Prominence between metacarpal and proximal phalanges
- B) Knee prominence
- C) Prominence of femur
- D) Prominence at the end of tibia and fibula

5. **Selecting the Correct Answer:**
- The correct answer is **D) Prominence at the end of tibia and fibula**. This is because the malleolus refers specifically to the bony protrusions at the ends of these two bones at the ankle.