Immovable joint is

Options

A. synarthrodial
B. amphiarthrodial
C. diarthodial
D. all of these

Answer

### Step-by-Step Solution:

1. **Definition of a Joint**: A joint is defined as a connection between two bones in the skeletal system. Understanding this basic definition is crucial as it sets the foundation for identifying different types of joints.

2. **Classification of Joints**: Joints can be classified based on the type of tissue present or the degree of movement they allow. The types of tissue include fibrous, cartilaginous, and synovial.

3. **Degree of Movement**: The classification based on the degree of movement includes three categories:
- **Synarthrosis**: These are immovable joints.
- **Amphiarthrosis**: These joints are slightly movable.
- **Diarthrosis**: These joints are freely movable.

4. **Identifying Immovable Joints**: In the context of the question, we are specifically looking for the type of joint that is immovable. From the classification, we see that synarthrosis refers to immovable joints.

5. **Conclusion**: Therefore, the correct answer to the question "Immovable joint is" is **synarthrodial** (synarthrosis).

### Final Answer:
The immovable joint is **synarthrodial**.

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