MedicalTerminology DB

Meaning of complement protein: One of a group of about 20 proteins that is found in the blood and is important in fighting infections and other diseases.

Definition of complement protein

One of a group of about 20 proteins that is found in the blood and is important in fighting infections and other diseases.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.