Which is a category for structural classification? Synovial Diarthroses Fibrous Cartilagenous

## Step 1<br />The problem is asking us to identify which of the given options is a category for structural classification. The options provided are Synovial, Diarthroses, Fibrous, and Cartilagenous.<br /><br />## Step 2<br />Structural classification of joints is based on the type of tissue that connects the bones. The options provided are Synovial, Diarthroses, Fibrous, and Cartilagenous.<br /><br />## Step 3<br />Among these options, Synovial, Fibrous, and Cartilagenous are categories for structural classification. They represent different types of tissues that connect the bones.<br /><br />## Step<br />Diarthroses, on the other hand, is a functional classification of joints. It refers to joints that allow free movement.