Rare diseases · Sign or symptom
Aplasia/Hypoplasia of the proximal phalanx of the hallux
Absent/small innermost big toe bone
HP:0010085
Part of the broader category
Abnormal morphology of the proximal phalanx of the halluxAplasia/Hypoplasia of the middle phalanges of the toesAplasia/Hypoplasia of the phalanges of the hallux
Also called: Absent/underdeveloped innermost big toe bone
Aplasia/Hypoplasia of the proximal…
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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.