The following are major steps in the process of endochondral ossification: 1. Blood vessels invade the perichondrium.
2) Osteoclasts create a marrow cavity.
3) Chondrocytes enlarge and calcify.
4) Osteoblasts replace calcified cartilage with spongy bone.
5) The perichondrium is converted into periosteum, and the inner layer produces bone.
The correct order for these events is
A) 3, 1, 5, 4, 2
B) 1, 3, 5, 4, 2
C) 1, 5, 3, 4, 2
D) 2, 3, 1, 5, 4
E) 3, 1, 4, 5, 2

Question

Quizplus · Accepted Answer

The correct order of events in endochondral ossification is: chondrocytes enlarge and calcify (3), blood vessels invade the perichondrium (1), the perichondrium is converted into periosteum, and the inner layer produces bone (5), osteoblasts replace calcified cartilage with spongy bone (4), and osteoclasts create a marrow cavity (2).

The Following Are Major Steps in the Process of Endochondral