A metopic ridge is a ridge of bone or suture line on the forehead between the two halves of the frontal bone. The ridging is caused when the two halves close prematurely.
Reviewed By: Franklin W. Lusby, MD, ophthalmologist, Lusby Vision Institute, La Jolla, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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