Way In Which Child’s Skull Grows Flashcards
(18 cards)
Skull and face bones may develop directly from a _
Soft connective tissue membrane
Develop from a soft connective tissue membrane in a process called _
(Face/vault)
Intramembranous ossification
Other bones, midline, base of skull, are derived from _
Pre-existing cartilage
Bones derived from pre-existing cartilage is a process called _
Endochondral ossification
Bones derived from pre-existing cartilage are some parts of _ bones (2)
Sphenoidal
Occipital
Another bone derived from pre-existing cartilage _
Ethmoid
Enlarging brain and _ generate force to separate bones at sutures
Eyeballs
Bones than _ stabilizing skull at its new size
Deposited at ends of sutures
After age 7, skull bones grow at slower rate by _
Remodeling
Remodeling changes shape of skull with bone deposited on outer surface and _
Reabsorbed on inner surface
Certain bones take some years to fuse and form a single bone because _ occurs at more than one site
Ossification
Midline suture at frontal bone disappears at age _
4
Mandibular symphysis fuses between ages _ and _
1
2
At birth, occipital bone divided into _ parts
4
Complete fusion of occipital bone does not occur until around _ years
6