Nasal bridge

The nasal bridge is the upper, bony part of the human nose, which overlies the nasal bones. The nasal bridge is the upper, bony part of the human nose, which overlies the nasal bones. Low-rooted nasal bridges are closely associated with epicanthic folds. A lower nasal bridge is more likely to cause an epicanthic fold, and vice versa. A lower or higher than average nasal bridge can be a sign of various genetic disorders, such as fetal alcohol syndrome. A flat nasal bridge can be a sign of Down syndrome (Trisomy 21), Fragile X syndrome, or 48,XXXY variant Klinefelter syndrome. An appearance of a widened nasal bridge can be seen with dystopia canthorum, which is a lateral displacement of the inner canthi of the eyes. Dystopia canthorum is associated with Waardenburg syndrome.