Across
- 4. found in large instestine responsible for creating memory lymphocytes for long term immunity
- 6. found in small intestine provides immune surveillance
- 8. cells which provide a stroma to support other lymphoid tissue
- 10. lymphoid organs where mature lymphocytes encounter antigens and are activated
- 12. cells which produce plasma cells which secrete antibodies
- 13. lymphoid organs where B and T cells mature
- 15. part of a lymph node which increases in size when infection is present
- 16. cells which manage immune response and some directly attack and destroy antigens
Down
- 1. vessels which delivers lymph to nodes
- 2. bean shaped structures which cleanse the lymph
- 3. lymphoid organ responsible for attacking pathogens entering the mouth
- 5. cells which destroy foreign substances and activate T cells
- 7. lymph node is made up of multiple of these which house lymphocytes and has a germinal center
- 9. vessels which move cleansed lymph away from the node
- 11. cells which bring foreign cells to T cells for destruction
- 14. lymphoid organ responsible for removing aged and defective red blood cells
