Across
- 1. Also known as T8 cells, Dampens the activity of cytotoxic T-lymphocytes and natural killer cells and slows the immune process as the antigen stimulus lessens (2 words)
- 3. Certain of the stem cells form forerunners of the immune system (2 words)
- 4. The outer layer of lymphoid tissue
- 6. A collection of the extra fluid that drains from cells and tissues in your body and isn't reabsorbed into your capillaries
- 8. Spaces within the lymph lobules with relatively few cells (2 words)
- 10. A type of adaptive immunity where B cells produce antibodies that circulate in body fluids and bind to antigens (3 words)
- 14. A larger amoeboid cell
- 15. Monitor the composition of lymph; site of cells that engulf pathogens; immune response (2 words)
- 16. Blunt-ended lymphatic vessels located centrally in the intestinal villi
- 22. Relies on T cells and other immune cells to directly target and destroy infected or abnormal cells (3 words)
- 30. Paired masses of lymphatic tissue located in the back of the throat (2 words)
- 31. Lymphoid organ because its functions are consistent with those of the lymphatic system and its cells are lymphatic cells
- 34. Vessels entering the lymph nodes (3 words)
- 37. The first type of antibody produced by the body that responds to infections (3 letters)
- 38. Common type of antibody (3 letters)
- 40. Mass of tissue at the roof of the pharynx (2 words)
- 41. Antibody that reacts to allergic reactions (3 letters)
- 42. in the wall of the intestinal tract, particularly in the ileum (2 words)
- 43. A type of white blood cell (lymphocyte) that plays a crucial role in the immune system, specifically in the lymphatic system, by directly destroying infected or cancerous cells (2 words)
- 44. A type of white blood cells that make antibodies
- 45. Aggregates of lymph node tissue located under the epithelial lining of the oral and pharyngeal cavities
Down
- 2. Vessels leaving the lymph nodes
- 3. In the tissue of the tongue (2 words)
- 5. Set of proteins. On their surface they identify as “self.” (3 words)
- 7. A group of high-activity, antibody-producing cells (2 words)
- 9. Functions as the receptor site on B-lymphocytes for stimulating activation (3 letters)
- 11. Person who becomes tolerant to “self” and will remain able to respond only to antigens interpreted as nonself
- 12. The largest lymphatic vessel of the body(2 words)
- 13. An immune response
- 17. A set of primitive cells (2 words)
- 18. Highly reactive proteins
- 19. support main cells of the lymph nodes (B and T-lymphocytes) (2 words)
- 20. A lymphatic vessel that collects lymph fluid from the upper right quadrant of the body and drains it into the venous system (3 words)
- 21. Accumulation of intestinal fluid in the spaces between the cells
- 23. A network of thin, tube-like structures that transfer lymph fluid throughout the body(2 words)
- 24. Consists of eight polypeptide chains (3 letters)
- 25. Where blood enters the spleen (2 words)
- 26. A small, discrete section within the lymph nodes and the thymus
- 27. Area where large blood vessels enter and leave the spleen
- 28. Protein to fight off diseases
- 29. A substance, often a protein, that triggers an immune response by activating lymphocytes and other immune cells
- 32. Lymphatic organ located between the lungs and acts as storage for lymphocytes
- 33. Also known as T4 cells, Type of white blood cell that develops in the thymus (2 words)
- 35. Microscopic tubes making up the network(2 words)
- 36. central region of lymph nodes that has fewer lymphocytes
- 39. A type of white blood cell that plays a role in the adaptive immune system