Human Phenotype Ontology term HP_0000457 (Depressed nasal ridge) is lack of prominence of the nose resulting from a posteriorly-placed nasal ridge. Also known as: Depressed dorsum of nose, Depressed nasal dorsum, Flat dorsum of nose, Flat nasal dorsum, Flat nose, Recessed dorsum of nose, Recessed nasal dorsum, Recessed nasal ridge.