Cartilage & Bone

Question 1

What is cartilage and its function?

Answer 1

A flexible, avascular connective tissue found in joints between bones

Question 2

What are the cells that produce cartilage ECM?

Answer 2

Chondroblasts

Question 3

What are the contents of bone?

Answer 3

• Bone tissue
• Connective tissue proper
• Adipose tissue
• Blood vessels
• Nervous tissue
• Cartilage

Question 4

What are the two types of bone?

Answer 4

Compact (cortical) bone - Found in shaft

Spongy (trabecular) bone - Found on ends

Question 5

What is a lamellae?

Answer 5

Layers of bone tissue

Question 6

What is an osteon?

Answer 6

Cylindrical shape structure containing osteocytes - found in COMPACT BONE

Question 7

What is the differences between spongy and compact bone?

Answer 7

Spongy:

• No osteons
• Spaces between trabeculae (rodlike structures making up bone) occupied by red and yellow marrow, nerves etc..

Compact:

• Contains osteons with osteocytes in them
• Much more dense

Question 8

How do bone disorders arise?

Answer 8

Unbalanced osteoclastogenic activity

Question 9

What is osteomalacia?

Answer 9

Failure of osteoid to mineralise adequately, as a result of dietary deficiency resulting to weak and fracture prone bones

Question 10

What is osteoarthritis?

Answer 10

Breakdown of joint cartilage and underlying bone

Question 11

What is volkmann’s canal?

Answer 11

found in compact bone - contains nerves, blood and lymphatic vessels