Cartilage + Bone

Question 1

Functions of cartilage

Answer 1

1. supporting soft tissue
2. providing a gliding surface at articulations
3. Providing a model for the formation of bones

Question 2

Chondrocalcinosis

Answer 2

Density similar to bone in radiograph

- cartilage is calcifying

Question 3

Enchondroma

Answer 3

Cartilage based tumor

Question 4

Chondrosarcoma

Answer 4

rising from a beign osteosarcoma and turning into an agresssive type of cartilage growth

Question 5

3 types of cartillage

Answer 5

Hyaline cartilage
Elastic cartilage
fibrocartilage

Question 6

Hyaline cartilage

Answer 6

-contains type 2 collagen

Question 7

Elastic cartilage

Answer 7

• contains type 2 collagen

- more plyable

Question 8

Fibrocartilage

Answer 8

• contains coarse, dense type 1 collagen fibres

- strong tensilely

Question 9

Components of extra cellular matrix of cartilage (3)

Answer 9

1. Agrrecans (large agrregation of proteins)
2. Hylauronan - Non sufated GAGs
3. Collagen

Question 10

Chondrogenic cells

Answer 10

• can differentiate into both chondroblasts and osteoprogenitor cells

Question 11

Chondroblasts

Answer 11

-derived from both mesenchymal cells and chondrogenic cells

Question 12

Chondrocytes

Answer 12

Chondroblasts souronded by the matrix

Question 13

where are type 1 fibres found

Answer 13

Bones, tendons, fibrocartilage, organ capsuls, dentin

Question 14

Where are type 2 fibres found

Answer 14

Hyaline cartilage, elastic cartilage

Question 15

Where are type 3 fibres found

Answer 15

Reticular fibres