What structural component is involved in the formation of joint capsules?

The structural component involved in the formation of joint capsules is fibrous tissue. Joint capsules are tough, fibrous structures that encase synovial joints, providing stability and protecting the articulating surfaces of the bones. The fibrous tissue forms the outer layer of the capsule, contributing to its strength and resilience, allowing it to withstand the stresses placed on the joint during movement.

While synovial fluid is crucial for lubricating the joint and reducing friction, it is not a structural component of the joint capsule itself. Articular cartilage covers the ends of bones in a joint but does not participate in the formation of the capsule. Elastic cartilage, often found in structures like the ear, provides flexibility but is not involved in the formation of the joint capsule. Thus, fibrous tissue is essential for creating the overall structure and integrity of joint capsules.