Lymph vessel

From Freepedia

In anatomy, lymph vessels are thin walled, valved structures that carry lymph away from the tissues, through the lymph nodes and thoracic duct back to the general circulation. They are, therefore, highly analogous to veins and venules.

Immune system - Lymphatic system
Lymph nodes - Lymph - Lymphocytes - Lymph vessels - Thoracic duct
Bone marrow - Spleen - Thymus - Tonsils