Rare diseases · Sign or symptom

Upper limb muscle hypertrophy

HP:0040265

What it means

Abnormal increase in muscle size and mass of one or both arms not due to training.

Part of the broader category

Upper limb muscle hypertrophy

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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.