Taenia saginata differs from taenia solium as it lacks

Options

A. Rostellum
B. Suckers
C. Scolex
D. None of the above

Answer

To answer the question regarding how Taenia saginata differs from Taenia solium, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Organisms**:
- Taenia saginata is known as the beef tapeworm.
- Taenia solium is known as the pork tapeworm.

2. **Understand Their Hosts**:
- Taenia solium primarily infects humans, which serve as the primary host, while pigs are the secondary hosts.
- Taenia saginata also infects humans as the primary host, but cattle serve as the secondary hosts.

3. **Examine the Structure**:
- Both Taenia saginata and Taenia solium have similar body structures, which include three main parts: the scolix, neck, and strobila.

4. **Focus on Key Differences**:
- The scolix of Taenia solium has a structure called the rostellum, which is absent in Taenia saginata.
- Taenia solium has hooks on its rostellum, which are also absent in Taenia saginata.

5. **Conclusion**:
- Therefore, the primary difference between Taenia saginata and Taenia solium is that Taenia saginata lacks the rostellum and hooks.

### Final Answer:
Taenia saginata differs from Taenia solium as it lacks the rostellum and hooks.

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