Size of Enterobius (Oxyuris) vermicularis is

Options

A. 2-3 mm in male and 5-8 mm in female
B. 3-5 mm in male and 8-13 mm in female
C. 5-8 mm in male and 12-17 mm in female
D. 8-10 mm in male and 15-20 mm in female

Answer

To determine the size of Enterobius (Oxyuris) vermicularis, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Organism**: Enterobius vermicularis, commonly known as the pinworm, is a parasitic nematode that infects humans.

2. **Understand the Size Range**: We need to find the size of both male and female Enterobius vermicularis.

3. **Refer to the Size Information**:
- The adult male of Enterobius vermicularis measures approximately 2 to 5 mm in length.
- The adult female measures approximately 8 to 13 mm in length.

4. **Analyze the Options Provided**:
- Option 1: 2 to 3 mm in male and 5 to 8 mm in female
- Option 2: 3 to 5 mm in male and 8 to 13 mm in female
- Option 3: 5 to 8 mm in male and 12 to 17 mm in female
- Option 4: 8 to 10 mm in male and 15 to 20 mm in female

5. **Select the Correct Option**: Based on the size information:
- The correct size for the male is 3 to 5 mm.
- The correct size for the female is 8 to 13 mm.
- Therefore, the correct option is **Option 2: 3 to 5 mm in male and 8 to 13 mm in female**.

### Final Answer:
The size of Enterobius (Oxyuris) vermicularis is approximately 3 to 5 mm in males and 8 to 13 mm in females.

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