Rare diseases · Sign or symptom
Abnormal circulating ornithine concentration
HP:0012025
What it means
Deviation from the normal concentration of ornithine in the blood circulation.
Ornithine is an amino acid produced in the urea cycle by the splitting off of urea from arginine. Ornithine is a naturally occurring, non-proteinogenic amino acid found in meat, fish, dairy and eggs.
Part of the broader category
Abnormal circulating ornithine…
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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.