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× Vaccine mechanism brief diagram shows syringe, antibodies, and memory cells guiding immunity from antigen to rapid response and pathogen neutralization. Outline diagram Vaccine mechanism brief diagram shows syringe, antibodies, and memory cells guiding immunity from antigen to rapid response and pathogen neutralization. Outline diagram 7.99
7.99
× Bone marrow hematopoiesis shown with long bone cross-section, stem cells forming red and white blood cells and platelets, key objects, stem cell, megakaryocyte, sinusoid. Outline diagram Bone marrow hematopoiesis shown with long bone cross-section, stem cells forming red and white blood cells and platelets, key objects, stem cell, megakaryocyte, sinusoid. Outline diagram 7.99
7.99
× Immune cell lineage brief diagram maps stem-to-progenitor branching, showing hematopoietic stem cell splitting into myeloid and lymphoid paths, key T cell, B cell, macrophage. Outline diagram Immune cell lineage brief diagram maps stem-to-progenitor branching, showing hematopoietic stem cell splitting into myeloid and lymphoid paths, key T cell, B cell, macrophage. Outline diagram 7.99
7.99
× Blood cell types brief diagram shows classification and roles, key, red blood cells, white blood cells, platelets within plasma and vessel cross-section. Outline diagram Blood cell types brief diagram shows classification and roles, key, red blood cells, white blood cells, platelets within plasma and vessel cross-section. Outline diagram 7.99
7.99
× B cell activation pathway showing naive B cell, helper T cell, and antibodies, antigen signals drive clonal expansion to memory and plasma cells. Outline diagram B cell activation pathway showing naive B cell, helper T cell, and antibodies, antigen signals drive clonal expansion to memory and plasma cells. Outline diagram 7.99
7.99

Cart totals

Subtotal 39.95
Total 39.95