Ossification

Question 1

What is messenchyme?

Answer 1

They are cells that can BECOME??? other cells ?????

Question 2

What happens in ossification?

Answer 2

2 things

Question 3

What happens in intramembranous ossification ?

Answer 3

Messenchyme turns into osteoblasts which then produce ostioid which is the matrix before mineralization. The woven bone and periosteum form lamellar bone: which makes compact and spongy bone

Question 4

What happens in endochondral ossification?

Answer 4

• The fetal hyaline cartilage develops
• cartilage calcifies and peristas bone collar forms
• primary ossification center form in the epiphysis
• bone replaces cartilage, except the articular cartilage and epiphyseal plates
• epiphyseal plates ossify and form epiphyseal lines

Question 5

Epiphyseal plate morphology

Answer 5

The epiphyseal plate is a layer of hyaline cartilage at the boundary of the epiphysis and diaphysis