Assertion: sagittal suture | /r/HasProperty | the first
Facets:
value: at around 22 years of age
type: TEMPORAL
Source sentences:
text: The sagittal suture is the first to close, typically at around 22 years of age; the coronal suture closes at around 24 years; and the lambdoid and squamosal sutures close at around 26 and 60 years, respectively (2).