Rare diseases · Sign or symptom

Abnormal branching pattern of left aortic arch

HP:0031055

What it means

A deviance from the norm of the origin or course of the right brachiocephalic artery, the left common carotid artery, the left subclavian artery or the proximal vertebral arteries, whereby the aortic arch descends on the left as normal (as opposed to right aortic arch).

Part of the broader category

Abnormal branching pattern of the aortic arch
Abnormal branching pattern of left aortic…

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This 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.