Comparison of cartilage and bone

Question 1

Cartilage

Answer 1

• All types (hyaline, elastic and fibrocartilage) have type II collagen
• avascular- nourished by diffusion from vessel in perichondrium (CT surrounding most cartilage)
• shock absorber
• interstitial and appositional growth

Question 2

Bone

Answer 2

• Type I collagen
• Calcified with hydroxyapatite
• Support and protection for organs and marrow
• Storage site for calcium and phosphate, and for proteins and growth factors
• Longitudinal or appositional growth