Rare diseases · Sign or symptom
Abnormality of the alternative complement pathway
HP:0005482
What it means
A deviation in any aspect of the alternative complement pathway.
The alternative complement pathway is one of three complement pathways, which is an innate component of the immune system's natural defense against infections. The alternative complement pathway has three unique components, factor B, factor D, and properdin. {xref="PMID:16424154"}
Part of the broader category
Abnormality of the alternative complement…
Tracking symptoms like this for someone? Eleplan keeps symptoms, diagnoses, medications and every specialist in one plan.
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.