Joints-9.2 Synovial Joints

Question 1

What is another name for synovial joint

Answer 1

diarthroses

Question 2

Describe the synovial joint

Answer 2

surrounded by a joint capsule also called an articular capsule. It has a synovial membrane that contains synovial fluid which helps prevent direct contact between bones.

Question 3

Synovial fluid contains

Answer 3

proteoglycans

Question 4

What is the primary function of synovial fluid

Answer 4

• Lubrication
• Nutrient distribution
• Shock absorption

Question 5

The synovial joint is mobile but relatively weak what accessory structures stabilizes it

Answer 5

▪ Cartilages
– Meniscus—fibrocartilage pad between opposing bones
▪ Fat pads
– Adipose tissue covered by synovial membrane
– Protect articular cartilage
▪ Ligaments
– Support and strengthen joints
– Sprain—ligament with torn collagen fibers
▪ Tendons
– Attach to muscles around joint
▪ Bursae
– Small pockets of synovial fluid
– Cushion areas where tendons or ligaments rub against other tissues