Cartilage

Question 1

Types of cartilage

Answer 1

Hyaline
Elastic
Fibrocartilage

Question 2

Perichondrium

Answer 2

Dense, irregular connective tissue surrounding cartilage with vasculature
Not present in articular cartilage as it gets nutrients from synovial fluid

Question 3

Hyaline cartilage

Answer 3

Type II collagen and aggrecan bound to water
Epiphyseal plate in long bones
Replaced by bone in embryos
Present in nose, larynx, trachea, bronchi and cartilage between ribs and sternum

Question 4

Elastic cartilage

Answer 4

Type II collagen
Lots of elastic fibre
Lacunae and chondrocytes present
Present in external auditory canal, auricle of ear, epiglottis, cartilage of larynx

Question 5

Fibrocartilage

Answer 5

Type I collagen
Collagen in parallel fibres
Chondrocytes in rows or groups
Lacunae present
No perichondrium
Present in intervertebral discs, ligaments, pubic symphysis and tendons