Sutures
Ossify between age 20 to 30 (by 60 all sutures ossified).
Sutures of infants and children are movable, except for mandible, ear ossicles and hyoid bone, a other skull bones are joint by sutures.
Types of skull sutures
1. Coronal sutures
United frontal bones with both parietal bones.
2. Lambdoidal sutures
Present between parietal and occipital bones.
3. Sagittal sutures
Unites right and left parietal bone.
4. Squamous sutures
Between temporal and parietal bones (lateral)
5. Frontal sutures (separate two halves of frontal bone)
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