Rare diseases · Sign or symptom
Supernumerary spleens
Extra spleen
HP:0009799
What it means
The presence of two or more accessory spleens.
Part of the broader category
Supernumerary spleens
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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.