Clue: Immune system agents

Answer: TCELLS

Length: 6

---

Similar Clues:

• They induce immune system responses (ANTIGENS with 8 letters)
• Immune-system component (TCELL with 5 letters)
• Immune system defenders (TCELLS with 6 letters)
• Immune system defender (TCELL with 5 letters)
• Immune system circulators (TCELLS with 6 letters)
• Immune system lymphocyte (e.g. BCELL with 5 letters)
• Immune system booster (ANTIGEN with 7 letters)
• Part of the immune system (TCELL with 5 letters)
• Herb that supposedly improves one's immune system (ECHINACEA with 9 letters)
• Immune system structure, briefly (TCELL with 5 letters)