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Squamous Sutures on the Skull Begin to Close After Age 60

According to research published by the National Institutes of Health, while many major cranial sutures fuse in early adulthood, one of the last to fully fuse is the squamous suture, which may close completely around age 60. This late-stage cranial ossification is particularly relevant for anthropologists and forensic scientists when estimating the age of an individual from skeletal remains.