Joints

Question 1

Function of Hyaline Cartilage (Articular cartilage)

Answer 1

Reduces Friction & Distributes Load

Question 2

What is Hyaline Cartilage composed of?

Answer 2

1. Extracellular Matrix: Water, Type II Collagen, Proteoglycans
2. Cells: Chondrocytes–>derive from chondroblasts

Question 3

What are the 3 components of a synovial joint?

Answer 3

1. Synovial Cartilage
2. Joint Capsule
3. Joint Cavity

Question 4

What are the 2 components of the joint capsule?

Answer 4

1. Fibrous Layer= Outer layer –> Protects joint capsule

2. Synovium

Question 5

Function of Synovium

Answer 5

1. Articular Nutrition
2. Lubrication
3. Removal of debris w/in joint

Question 6

Define Joint Cavity

Answer 6

Potential Space

Avascular

Question 7

Define Labrum

Answer 7

Fibrocartilage Rim

Question 8

Function of Labrum

Answer 8

Increase contact between articulating bones

Maintains Flexibility