W3: S6 - Growth of the Skull Flashcards
1
Q
Is the neonatal skull fully ossified?
A
No
2
Q
What are the advantages of a flexible skull in the neonate?
A
During childbirth
- allows the head to fit through the pubis
During infancy
- Allows the brain to grow
In the event of falls
- Shock absorption
3
Q
What type of ossification occurs in flat bones?
A
Intramembranous
4
Q
What type of ossification occurs in irregular bones?
A
Endochondral
5
Q
What is shown here?
A
Fontanelles
6
Q
At what age do the anterior fontanelles fuse?
A
18-24 months
7
Q
At what age do the posterior fontanelles fuse?
A
2-3 months