Question

which of the following represents a structural classification for joints that are separated by a joint cavity?

fibrous

cartilaginous

diarthrosis

synovial

Explanation:

• Fibrous joints have no joint cavity.
• Cartilaginous joints also lack a joint cavity.
• Diarthrosis is a functional classification (freely movable joint), not a structural one.
• Synovial joints are structurally classified as having a joint cavity.

Answer:

synovial