<prompt> The glabella may show the remains of theAnterior fontanelPosterior fontanelMetopic sutureLambdoid suture  <response>: Metopic suture is occasionally present in about 3-8 individuals. It lies in the median plane and separates the two halves of the frontal bone. Normally it fuses at 6 years of age. Ref BDC volume 3,sixth edition pg 5 