Coronal suture

Last revised by Craig Hacking on 12 Feb 2023

The coronal suture is the cranial suture formed between the two parietal bones and the frontal bone. At the junction of coronal, sagittal and frontal sutures, the anterior fontanelle is located which is open at birth and usually fuses at around 18-24 months after birth. The junction of the coronal and sagittal sutures after fontanelle closure is known as the bregma.

Fusion of the coronal suture occurs at around 24 years of age. Premature fusion may result in deformities like oxycephaly and plagiocephaly.

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