Lymphatic

Lymphatic system

The Lymphatic system is a part of the vascular system and an important part of the immune system, comprising a network of lymphatic vessels that carry a clear fluid called lymph directionally towards the heart.

Structure

The lymphatic system includes the lymph nodes (singular lymph node), thymus, spleen, and lymphoid tissue. The system also includes all the structures dedicated to the circulation and production of lymphocytes (the main cells of the immune system).

Function

The lymphatic system has multiple interrelated functions including the transportation of white blood cells to and from the bones and bone marrow, providing a place for the white blood cells to mature, and it also allows for interaction with the blood. The lymphatic system also transports antigens to the lymph nodes where an immune response is stimulated.

Clinical significance

Diseases and disorders of the lymphatic system are typically treated by lymphologists. These conditions can be broadly classified into diseases of the lymph vessels (such as lymphedema), infections of the lymph nodes (such as lymphadenitis), and cancers of the lymphatic system (such as lymphoma and leukemia).

See also

• Lymphatic vessel
• Lymph node
• Lymphedema
• Lymphoma
• Leukemia

Lymphatic Resources
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