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