Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Complement system
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Complement system: A series of molecules that work together to perform many immune system functions. For example, the complement system helps to dissolve and remove immune complexes and to kill foreign cells.
Need Expert Advice on Your Condition?
Get a personalized video breakdown and treatment plan from our senior neurosurgeons using your MRI/CT scans.
👉 Request MRI Review