The term 'vasa varicosa' was introduced by  

Options

A. Meckel
B. Partirick manson
C. Marcello malpighi
D. Bichat

Answer

To solve the question "The term 'vasa varicosa' was introduced by," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Term 'Vasa Varicosa':**
- The term 'vasa varicosa' refers to small blood vessels that function as an organ. This is a specific terminology used in biology to describe certain vascular structures.

2. **Identify the Scientists Mentioned:**
- The question provides four options: Mechel, Patrick Manson, Marcelo Malfigi, and Richard. We need to examine each of these scientists to see who introduced the term.

3. **Evaluate Each Option:**
- **Option 1: Mechel** - Known for discovering Mechel's diverticulum, which is an intestinal disease. This does not relate to 'vasa varicosa'.
- **Option 2: Patrick Manson** - Recognized for his work on tropical diseases and their vectors. He is not associated with 'vasa varicosa'.
- **Option 3: Marcelo Malfigi** - He is the scientist who introduced the term 'vasa varicosa'. This is the correct option.
- **Option 4: Richard** - The name is too vague without additional context, but he is not known for 'vasa varicosa'.

4. **Conclusion:**
- Based on the evaluation, the term 'vasa varicosa' was introduced by **Marcelo Malfigi**. Therefore, the correct answer is **Option 3**.

### Final Answer:
The term 'vasa varicosa' was introduced by **Marcelo Malfigi**.

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