Posterior positioning of the nasal root in relation to the overall facial profile for age. The phenotype is Depressed nasal bridge (Human Phenotype Ontology entry HP_0005280). Also known as: Depressed bridge of nose, Depressed nasal root, Flat bridge of nose, Flat nasal bridge, Flat nasal root, Flat, nasal bridge, Flattened nasal bridge, Low nasal bridge.