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 Regulatory T cell
Medically reviewed by Min Clinic Staff | Updated: January 2026
Regulatory T cell: A T cell (T lymphocyte) that regulates the activity of another T cell, usually by suppressing its activity. This process can be beneficial or harmful. There are several different types of regulatory T cells.