Joints

Question 1

Definition of Joint

Answer 1

A joint is the location where two or more bones meet, allowing for movement and providing mechanical support.

Question 2

Articular Cartilage

Answer 2

Smooth tissue covering the ends of bones, reducing friction and absorbing shock.

Question 3

Joint Capsule

Answer 3

A fibrous envelope that encloses the joint, consisting of an outer fibrous layer and an inner synovial membrane.

Question 4

Synovial Fluid

Answer 4

A viscous fluid produced by the synovial membrane that lubricates the joint and nourishes articular cartilage

Question 5

Ligaments

Answer 5

Strong bands of connective tissue that connect bone to bone, providing stability to the joint.

Question 6

Structural Classification:

Answer 6

1. Fibrous Joints - connected by dense connective tissue (ex: sutures of skull)
2. Cartilaginous Joints - connected by cartilage (ex: intervertebral discs)
3. Synovial Joints - characterized by a joint cavity filled with synovial fluid (ex: knee, hip)