Develooement Of Musculoskeletal System Flashcards
0
Q
When does ossification begin?
A
3rd month prenatal
1
Q
Underdeveloped jaw
A
Micronethia
2
Q
When do secondary ossification centres form?
A
Age 5
3
Q
When is the skeleton fully formed?
A
Age 20/21
4
Q
When does the ant fontanelle close?
A
2 yrs
5
Q
When does the post fontanelle close?
A
6 months
Smaller
6
Q
Where do the laryngeals firm from?
A
Mesoderm (lateral plate)
7
Q
After ossification where are the only places hyaline cartilage is found?
A
Articular surfaces
8
Q
What cells will form the ribs & vertebrae?
A
Sclerotomes
9
Q
What cells will make muscle?
A
Myotomes
10
Q
What cells will make CT?
A
Dermatomes