Rare diseases · Sign or symptom
Absent nasal septal cartilage
Absent nasal septum
HP:0005273
What it means
Lack of the cartilage of the nasal septum.
Rare diseases that can present with this2
The range is how often this sign appears among people diagnosed with each disease — it is not a probability of having any of them. Many of these signs also occur in common, non-rare conditions. A sign on this page is a conversation to have with a clinician, not a conclusion.
Part of the broader category
Also called: Ageneis of nasal septal cartilage · Failure of development of nasal septal cartilage
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Start free with EleplanThis page uses the Human Phenotype Ontology (2026-06-23) — Human Phenotype Ontology Consortium, hpo.jax.org. Disease associations from Orphanet (INSERM), CC BY 4.0. Content is educational and is not medical advice.