Cartilage Flashcards
1
Q
What are the functions of cartilage
A
- bear mechanical stress and weight
- provide surfaces for joints to slide on and absorbs shock
- essential to long bone development
- support for soft tissues
2
Q
Cartilage is composed of
A
- cells
2. matrix
3
Q
what type of cells compose cartilage
A
Chondroblasts - growth by apposition. Grow and begin formation of ground substance and extracellular matrix, give rise to chondrocytes. Growth by widening
Chondrocytes - can divide (interstitial growth), maintain integrity of cartilage matrix. Growth by elongation.
4
Q
Matrix of cartilage consists of
A
fibers (collagen, collagen and elastin mix) ground substance (preoteoglycans)
5
Q
T/F - cartilage had lymphatics, nerves and blood vessels
A
FALSE
6
Q
What is the dense connective tissue layer that covers cartilage? What does it do?
A
Perichondrium
Essential for the growth and maintenance of cartilage
7
Q
Three types of cartilage
A
- Hyaline
- Elastic
- Fibrocartilage
