sagittal synostosis

sagittal synostosis
premature fusion of the sagittal suture, usually a sporadic disorder but sometimes inherited with autosomal dominance; it results in anteroposterior elongation and reduction in width of the skull (scaphocephaly), often with bossing and a ridge along the suture. Fusion may be confined predominantly to one end of the suture or may be complete. Brain development is usually normal.

Medical dictionary. 2011.

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