Lymphatic system

123456789101112131415161718192021222324252627282930
Across
  1. 5. Primary lymphoid organ for B-cell maturation in humans
  2. 9. Specialized lymphatic vessels of the small intestine
  3. 11. Clear center of an active lymphoid nodule
  4. 13. Macrophages lining splenic sinusoids
  5. 15. Valve-like structures formed by overlapping endothelial cells
  6. 16. Lymphoid nodules with active B-cell proliferation
  7. 18. Vessel surrounded by white pulp in the spleen
  8. 21. Fluid that circulates within lymphatic vessels
  9. 22. Part of the spleen rich in lymphocytes
  10. 24. Diffuse lymphoid tissue found in mucosa
  11. 28. Sinuses within the medulla of lymph nodes
  12. 30. Type of lymphocyte responsible for humoral immunity
Down
  1. 1. Function of lymph nodes related to immune defense
  2. 2. Thin connective tissue capsule surrounding lymph nodes
  3. 3. Antigen-presenting cells found in lymphoid tissue
  4. 4. Bundles of collagen extending from the capsule into the node
  5. 6. Specialized endothelial cells of lymphatic capillaries
  6. 7. Structures that ensure one-way direction of lymph flow
  7. 8. Lymphoid nodules without germinal centers
  8. 10. Lymphoid tissue found in the small intestine
  9. 12. Primary lymphoid organ where T lymphocytes mature
  10. 14. Part of the spleen rich in erythrocytes
  11. 17. Reticular connective tissue supporting lymphoid organs
  12. 19. Red pulp component involved in filtering aged RBCs
  13. 20. Large lymphatic vessel that drains most of the body
  14. 23. SINUS Space beneath the capsule of a lymph node where lymph first enters
  15. 25. Type of lymphocyte responsible for cell-mediated immunity
  16. 26. Cells that produce antibodies
  17. 27. Central region of the lymph node rich in plasma cells
  18. 29. Secondary lymphoid organ that filters blood