Coronal suture

Coronal suture
File:Coronal suture - skull - anterior view03.png Anterolateral view of coronal suture (red)
Details
Part of	Skull
System	Skeletal
Nerve	Trigeminal nerve
Identifiers
Latin	sutura coronalis
TA98
TH	{{#property:P1694}}
TE	{{#property:P1693}}
FMA	{{#property:P1402}}
Anatomical terminology

The coronal suture is a dense, fibrous connective tissue joint that separates the two parietal bones from the frontal bone of the skull.

Structure

The coronal suture lies between the paired parietal bones and the frontal bone of the skull. It runs from the pterion on each side.

Nerve supply

The coronal suture is likely supplied by a branch of the trigeminal nerve.

Development

The coronal suture is derived from the paraxial mesoderm.

Clinical significance

If certain bones of the skull grow too fast then premature fusion of the sutures, craniosynostosis, may occur. This can result in skull deformities. These deformities include:

• Brachycephaly (both sides)
• Plagiocephaly (one side only)
• Oxycephaly (both sides)

References

• "Sagittal suture." Stedman's Medical Dictionary, 27th ed. (2000).
• Moore, Keith L., and T.V.N. Persaud. The Developing Human: Clinically Oriented Embryology, 7th ed. (2003).

Additional images

• 
  Animation. Coronal suture shown in red.
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  Frontal bone and parietal bones.
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  Side view of the skull. ('Coronal suture' indicated by the arrow.)
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  Superior view of anterior part of the skull. Coronal suture runs horizontally.
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  Coronal suture seen from inside.
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  The skull at birth, showing the lateral fontanelle.
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  Coronal suture of new born baby.