Rare diseases · Sign or symptom

Aplasia/Hypoplasia of the proximal phalanx of the 5th finger

Absent/small innermost little finger bone

HP:0009192

What it means

Absence or underdevelopment (hypoplasia) of the proximal phalanx of the little (5th) finger.

Part of the broader category

Also called: Absent/small innermost pinkie finger bone · Absent/small innermost pinky finger bone · Absent/underdeveloped innermost pinky finger bone

Aplasia/Hypoplasia of the proximal…

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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.