What is the scientific name of pinworm of man?

Options

A. Trichinella spiralis
B. Dracunculus medinensis
C. Trichuris trichura
D. Enterobius vermicularis

Answer

### Step-by-Step Solution:

1. **Understanding Pinworm**:
- Pinworms are also known as threadworms. They belong to the group of parasites known as nematodes, which are commonly referred to as roundworms.

2. **Identifying the Infection**:
- Pinworms primarily cause infections in the human intestine. This infection is typically due to the ingestion of contaminated food and water.

3. **Scientific Classification**:
- The scientific name for the pinworm that infects humans is **Enterobius vermicularis**. This name is used in scientific literature to refer to this specific parasite.

4. **Verifying Options**:
- When presented with multiple-choice options, it is important to differentiate between various types of worms and their scientific names.
- For example:
- **Trichinella spiralis** is a different type of nematode that causes infection through undercooked meat.
- **Dracunculus medinensis** is another parasitic worm that is not related to pinworms.
- **Trichuris trichiura** is known as the human whipworm, which also causes intestinal infections but is not the pinworm.

5. **Conclusion**:
- The correct answer to the question about the scientific name of the pinworm of man is **Enterobius vermicularis**.