Posterior end of male Enterobius possesses

Options

A. One penial spicule
B. Two equal penial spicules
C. Two unequal penial spicules
D. None of the above

Answer

To answer the question about the posterior end of male Enterobius, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Organism**:
- The organism in question is Enterobius, commonly known as pinworm. It belongs to the phylum Nematoda (or Aschelminthes).

2. **Understand the Morphology**:
- The male Enterobius has a distinct morphology, particularly at its posterior end.

3. **Examine the Posterior End**:
- The posterior end of the male Enterobius is characterized by the presence of a structure known as the penile spicule.

4. **Determine the Number of Spicules**:
- In male Enterobius, there is one penile spicule present at the posterior end. This spicule plays a crucial role in the process of copulation.

5. **Evaluate the Options**:
- Given the options:
- 1. One penile spicule
- 2. Two equal penile spicules
- 3. Two unequal penile spicules
- 4. None of the above
- Based on the understanding that there is one penile spicule, the correct answer is option 1.

### Final Answer:
The posterior end of male Enterobius possesses **one penile spicule**.

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