has part has part characteristic of inheres in has modifier Prominent metopic ridge UMLS:C1857949 Ridging of frontal suture Ridging of metopic suture Prominent metopic suture Prominent frontal ridge Prominent frontal suture HP:0005488 HP:0005751 Vertical bony ridge positioned in the midline of the forehead. The ridge may extend from the hairline to the glabella or may be partial. The frontal suture of the skull is a dense connective tissue structure that divides the two halves of the frontal bone of the skull in infants and children and usually undergoes closure by the age of six years. A persistent frontal suture is known as a metopic suture or sutura frontalis persistens. This can lead to a ridged appearance of the forehead. HP:0005487 Abnormality of the metopic suture abnormal prominent frontal suture