Rare diseases · Sign or symptom

Partial duplication of the phalanges of the 3rd finger

Partial duplication of middle finger bones

HP:0009961

What it means

A partial duplication, depending on severity leading to a broad or bifid appearance, affecting one or more of the phalanges of the 3rd finger. As opposed to a complete duplication there is still a variable degree of fusion between the duplicated bones.

Part of the broader category

Partial duplication of the phalanges of…

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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.