Zones Of Ossification Flashcards
1
Q
What is the order of ossification
A
Resting cartilage Zone of hyperplasia Zone of hypertrophy Zone of ossification Primary bone
2
Q
What happens in zone of hyperplasia
A
Chondrocytes go through mitosis
3
Q
What happens in zone of hypertrophy
A
Chondrocytes enlarge and secrete alkaline phosphotase
4
Q
What happens in zone of ossification
A
Osteoprogenitors invade, become osteoblasts and calcify matrix
5
Q
How is the primary bone formed
A
Osteoblasts secreting the osteoid, calcifies to produce secondary bone
