Process of Endochondral Ossification

Question 1

Step 1

Answer 1

Bone collar forms around diaphysis of cartilage model

Question 2

Step 2

Answer 2

Central cartilage in diaphysis calcifies, then develops cavities

Question 3

Step 3

Answer 3

Periosteal bud invades cavities, leading to formation of spongy bone

Question 4

Step 4

Answer 4

Diaphysis elongates & medullary cavity forms

Question 5

Step 5

Answer 5

Epiphyses ossify