Session 7: Cartilage

Question 1

TRUE OR FALSE: Cartilage is avascular.

Answer 1

TRUE: it consists of an extensive ECM and chondrocytes

Question 2

Name the three types of cartilage.

Answer 2

1. Hyaline Cartilage
2. Elastic Cartilage
3. Fibrocartilage

Question 3

Describe hyaline Cartilage.

Answer 3

• Chondrocytes present singly or in isogenous groups

- matrix containing GAGs and type II collagen

Question 4

Where us hyaline Cartilage found?

Answer 4

Articulating surfaces and respiratory tubes (I.e. Trachea, bronchi, larynx)

Question 5

What is perichondrium?

Answer 5

Dense CT which covers the margin of hyaline Cartilage.

Question 6

What is appositional growth?

Answer 6

Growth from the periphery

Question 7

What is interstitial growth?

Answer 7

Laying down of matrix in the centre therefore growing inside out

Question 8

What is lacuna? (Pl. lacunae)

Answer 8

Cavity surrounding a chondrocyte

Question 9

What type of Cartilage is used as a precursor model for bone?

Answer 9

Hyaline Cartilage

Question 10

Describe elastic Cartilage.

Answer 10

Same as hyaline plus shit tons of elastic fibres

Question 11

TRUE OR FALSE: hyaline Cartilage calcifies with age.

Answer 11

True

Question 12

Where is elastic Cartilage found?

Answer 12

• External ear (pinna)

- Epiglottis

Question 13

Describe fibrocartilage.

Answer 13

• Combination of dense CT and hyaline Cartilage
• Cells distributed in rows
• NO perichondrium

Question 14

Where is fibrocartilage found?

Answer 14

• Intervertebral disks

- Pubic Symphysis