Specific

• Why are specific internal defences used?

  Pathogen makes it past non specific external and internal defences.

  • targeted at "specific" pathogen
• Antibody/immunoglobulin

  Specialised protein produced in response to specific non-self AG and counters AG
• Phagocyte

  Type of cell, engulf and absorbs bacteria, other small cells and particles via phagocytosis
• Macrophage?

  Large phagocytic cell found in lymph nodes in tissues or as a mobile WBC.